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Exploited and new serious CVEs: April 2021

95 records · 18 KEV. In publication order.

Included: records in CISA KEV, with a weaponized exploit, with EPSS of 10% or more, with a public PoC and published in the last 3 years, and CVSS 7+ records published in the last 90 days. All other records are in search and vendor pages.

Month boundaries are UTC, the same rule as the publication date on each record page.

  • Improper input validation of octal strings in netmask npm package v1.0.6 and below allows unauthenticated remote attackers to perform indete

    CriticalCVSS 9.1Proof of conceptEPSS 16%

    netmask project · netmaskApr 1, 2021

  • There's a flaw in the zeromq server in versions before 4.3.3 in src/decoder_allocators.hpp.

    HighCVSS 8.1No exploitEPSS 43%

    zeromq · libzmqApr 1, 2021

  • CVE-2021-28164
    60This week

    In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with URIs that contain %2e or %2e%2e segm

    MediumCVSS 5.3WeaponizedEPSS 82%

    eclipse · jettyApr 1, 2021

  • In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large inva

    HighCVSS 7.5Proof of conceptEPSS 53%

    eclipse · jettyApr 1, 2021

  • Manage Engine OpManager builds below 125346 are vulnerable to a remote denial of service vulnerability due to a path traversal issue in spar

    CriticalCVSS 9.1No exploitEPSS 60%

    zohocorp · manageengine opmanagerApr 1, 2021

  • The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the c

    MediumCVSS 4.3Proof of conceptEPSS 38%

    atlassian · confluence data centerApr 1, 2021

  • A command injection vulnerability in the cookieDomain and relayDomain parameters of Okta Access Gateway before 2020.9.3 allows attackers (wi

    MediumCVSS 6.7No exploitEPSS 22%

    okta · access gatewayApr 2, 2021

  • A race condition was addressed with improved locking.

    HighCVSS 7.0KEVWeaponizedEPSS 2%

    apple · ipadosApr 2, 2021

  • CVE-2021-1789
    69This week

    A type confusion issue was addressed with improved state handling.

    HighCVSS 8.8KEVWeaponizedEPSS 13%

    apple · ipadosApr 2, 2021

  • CVE-2021-1870
    71This week

    A logic issue was addressed with improved restrictions.

    CriticalCVSS 9.8KEVWeaponizedEPSS 7%

    apple · ipadosApr 2, 2021

  • CVE-2021-1871
    71This week

    A logic issue was addressed with improved restrictions.

    CriticalCVSS 9.8KEVWeaponizedEPSS 7%

    apple · ipadosApr 2, 2021

  • CVE-2021-1879
    60This week

    This issue was addressed by improved management of object lifetimes.

    MediumCVSS 6.1KEVWeaponizedEPSS 7%

    apple · ipadosApr 2, 2021

  • SQL injection exists in Piwigo before 11.4.0 via the language parameter to admin.php?page=languages.

    HighCVSS 7.2Proof of conceptEPSS 11%

    piwigo · piwigoApr 2, 2021

  • CVE-2021-3374
    25Monitor

    Directory traversal in RStudio Shiny Server before 1.5.16 allows attackers to read the application source code, involving an encoded slash.

    MediumCVSS 5.3Proof of conceptEPSS 14%

    rstudio · shiny serverApr 2, 2021

  • HNAP1/control/SetMasterWLanSettings.php in D-Link D-Link Router DIR-846 DIR-846 A1_100.26 allows remote attackers to execute arbitrary comma

    CriticalCVSS 9.8No exploitEPSS 13%

    dlink · dir-846 firmwareApr 2, 2021

  • Backup Guard < 1.6.0 - Authenticated Arbitrary File Upload

    HighCVSS 7.2WeaponizedEPSS 84%

    backup-guard · backup guardApr 5, 2021

  • Advanced Order Export For WooCommerce < 3.1.8 - Reflected Cross-Site Scripting (XSS)

    MediumCVSS 6.1Proof of conceptEPSS 10%

    algolplus · advanced order export for woocommerceApr 5, 2021

  • The Plus Addons for Elementor Page Builder < 4.1.7 - Authentication Bypass

    CriticalCVSS 9.8Proof of conceptEPSS 14%

    posimyth · the plus addons for elementorApr 5, 2021

  • WP Super Cache < 1.7.2 - Authenticated Remote Code Execution (RCE)

    HighCVSS 7.2No exploitEPSS 27%

    automattic · wp super cacheApr 5, 2021

  • WSO2 Management Console through 5.10 allows XSS via the carbon/admin/login.jsp msgId parameter.

    MediumCVSS 6.1Proof of conceptEPSS 26%

    wso2 · api managerApr 5, 2021

  • Composr 10.0.36 allows upload and execution of PHP files.

    CriticalCVSS 9.8Proof of conceptEPSS 10%

    ocproducts · composrApr 6, 2021

  • D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to

    CriticalCVSS 9.8No exploitEPSS 40%

    d-link · dsl-320b-d1Apr 7, 2021

  • CVE-2021-21425
    63This week

    Unauthenticated Arbitrary YAML Write/Update leads to Code Execution

    CriticalCVSS 9.8WeaponizedEPSS 80%

    getgrav · grav-plugin-adminApr 7, 2021

  • CVE-2021-1472
    61This week

    Cisco Small Business RV Series Routers Vulnerabilities

    CriticalCVSS 9.8WeaponizedEPSS 72%

    cisco · rv160 firmwareApr 8, 2021

  • CVE-2021-1473
    60This week

    Cisco Small Business RV Series Routers Vulnerabilities

    CriticalCVSS 9.8WeaponizedEPSS 64%

    cisco · rv340 firmwareApr 8, 2021

  • Self Authenticated XSS in Nagios Network Analyzer before 2.4.2 via the nagiosna/groups/queries page.

    MediumCVSS 6.1No exploitEPSS 10%

    nagios · network analyzerApr 8, 2021

  • A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted

    CriticalCVSS 9.8KEVWeaponizedEPSS 88%

    sonicwall · email securityApr 9, 2021

  • Insufficient output sanitization in ManageEngine ServiceDesk Plus before version 11200 and ManageEngine AssetExplorer before version 6800 al

    MediumCVSS 6.1No exploitEPSS 93%

    zohocorp · manageengine servicedesk plusApr 9, 2021

  • CVE-2021-20022
    63This week

    SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to

    HighCVSS 7.2KEVWeaponizedEPSS 16%

    sonicwall · email securityApr 9, 2021

  • Genexis PLATINUM 4410 2.1 P4410-V2-1.28 devices allow remote attackers to execute arbitrary code via shell metacharacters to sys_config_vali

    CriticalCVSS 9.8Proof of conceptEPSS 45%

    genexis · platinum 4410 firmwareApr 13, 2021

  • CVE-2021-27905
    67This week

    SSRF vulnerability with the Replication handler

    CriticalCVSS 9.8Proof of conceptEPSS 93%

    apache · solrApr 13, 2021

  • Possible limited path traversal vulnerabily in Apache Commons IO

    MediumCVSS 4.8Proof of conceptEPSS 10%

    apache · commons ioApr 13, 2021

  • The ZEROF Expert pro/2.0 application for mobile devices allows SQL Injection via the Authorization header to the /v2/devices/add endpoint.

    CriticalCVSS 9.8No exploitEPSS 29%

    zerof · expertApr 13, 2021

  • SQL injection vulnerability exists in phpGACL 3.3.7.

    HighCVSS 8.8No exploitEPSS 29%

    open-emr · openemrApr 13, 2021

  • A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and

    HighCVSS 8.8No exploitEPSS 38%

    schneider-electric · c-bus toolkitApr 13, 2021

  • A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and

    HighCVSS 7.8No exploitEPSS 27%

    schneider-electric · c-bus toolkitApr 13, 2021

  • A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and

    HighCVSS 8.8No exploitEPSS 40%

    schneider-electric · c-bus toolkitApr 13, 2021

  • A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and

    HighCVSS 7.2No exploitEPSS 30%

    schneider-electric · c-bus toolkitApr 13, 2021

  • Arbitrary File delete

    CriticalCVSS 10.0No exploitEPSS 27%

    eaton · intelligent power managerApr 13, 2021

  • CVE-2021-28310
    64This week

    Win32k Elevation of Privilege Vulnerability

    HighCVSS 7.8KEVWeaponizedEPSS 8%

    microsoft · windows 10 1803Apr 13, 2021

  • Windows SMB Information Disclosure Vulnerability

    MediumCVSS 6.5No exploitEPSS 62%

    microsoft · windows 10Apr 13, 2021

  • Visual Studio Code Maven for Java Extension Remote Code Execution Vulnerability

    HighCVSS 7.8No exploitEPSS 61%

    microsoft · vscode-mavenApr 13, 2021

  • CVE-2021-28480
    60This week

    Microsoft Exchange Server Remote Code Execution Vulnerability

    CriticalCVSS 9.8Proof of conceptEPSS 71%

    microsoft · exchange serverApr 13, 2021

  • Microsoft Exchange Server Remote Code Execution Vulnerability

    CriticalCVSS 9.8Proof of conceptEPSS 36%

    microsoft · exchange serverApr 13, 2021

  • CVE-2021-28482
    60This week

    Microsoft Exchange Server Remote Code Execution Vulnerability

    HighCVSS 8.8Proof of conceptEPSS 83%

    microsoft · exchange serverApr 13, 2021

  • Twig allowing dangerous PHP functions by default

    HighCVSS 7.2Proof of conceptEPSS 29%

    getgrav · gravApr 13, 2021

  • Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module.

    MediumCVSS 6.1Proof of conceptEPSS 97%

    jitsi · meetApr 14, 2021

  • An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices.

    CriticalCVSS 9.8No exploitEPSS 24%

    dlink · dir-816 firmwareApr 14, 2021

  • This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc0

    MediumCVSS 6.5No exploitEPSS 67%

    dlink · dap-2020 firmwareApr 14, 2021

  • [20210401] - Core - Escape xss in logo parameter error pages

    MediumCVSS 6.1No exploitEPSS 82%

    joomla · joomla\!Apr 14, 2021

  • The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the

    HighCVSS 7.5Proof of conceptEPSS 63%

    intelbras · win 300 firmwareApr 14, 2021

  • Multiple Privilege Escalation Vulnerabilities Pihole

    HighCVSS 7.8WeaponizedEPSS 1%

    pi-hole · pi-holeApr 14, 2021

  • CVE-2021-27850
    67This week

    Bypass of the fix for CVE-2019-0195

    CriticalCVSS 9.8WeaponizedEPSS 93%

    apache · tapestryApr 15, 2021

  • ColdFusion Improper neutralization of web input during page generation could lead to arbitrary JavaScript execution in the browser

    MediumCVSS 5.4Proof of conceptEPSS 37%

    adobe · coldfusionApr 15, 2021

  • WordPress Authenticated XXE attack when installation is running PHP 8

    MediumCVSS 6.5Proof of conceptEPSS 85%

    wordpress · wordpressApr 15, 2021

  • Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)_CN and v15.11.0.5(5876)_CN , and Tenda G1 and G3 routers with

    CriticalCVSS 9.8No exploitEPSS 25%

    tendacn · g0 firmwareApr 15, 2021

  • CVE-2020-2509
    79This week

    Command Injection Vulnerability in QTS and QuTS hero

    CriticalCVSS 9.8KEVWeaponizedEPSS 33%

    qnap · qtsApr 17, 2021

  • CVE-2021-3493
    76This week

    The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities

    HighCVSS 7.8KEVWeaponizedEPSS 49%

    canonical · ubuntu linuxApr 17, 2021

  • A user may be tricked into opening a malicious FBX file which may exploit a Directory Traversal Remote Code Execution vulnerability in FBX’s

    HighCVSS 7.8No exploitEPSS 59%

    autodesk · fbx reviewApr 19, 2021

  • AdTran Personal Phone Manager 10.8.1 software is vulnerable to an issue that allows for exfiltration of data over DNS.

    HighCVSS 7.5Proof of conceptEPSS 10%

    adtran · personal phone managerApr 20, 2021

  • CVE-2021-20023
    65This week

    SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on th

    MediumCVSS 4.9KEVWeaponizedEPSS 51%

    sonicwall · email securityApr 20, 2021

  • A server-side request forgery (SSRF) vulnerability in the addCustomThemePluginRepository function in index.php in WonderCMS 3.1.3 allows rem

    CriticalCVSS 9.8Proof of conceptEPSS 45%

    wondercms · wondercmsApr 20, 2021

  • A remote code execution vulnerability in the installUpdateThemePluginAction function in index.php in WonderCMS 3.1.3, allows remote attacker

    CriticalCVSS 9.8Proof of conceptEPSS 26%

    wondercms · wondercmsApr 20, 2021

  • Jenkins Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

    HighCVSS 8.1No exploitEPSS 37%

    jenkins · config file providerApr 21, 2021

  • CVE-2021-3287
    60This week

    Zoho ManageEngine OpManager before 12.5.329 allows unauthenticated Remote Code Execution due to a general bypass in the deserialization clas

    CriticalCVSS 9.8WeaponizedEPSS 51%

    zohocorp · manageengine opmanagerApr 22, 2021

  • CVE-2021-2189
    34Monitor

    Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Template).

    HighCVSS 7.5No exploitEPSS 14%

    oracle · sales offlineApr 22, 2021

  • Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Template).

    HighCVSS 7.5No exploitEPSS 92%

    oracle · sales offlineApr 22, 2021

  • Vulnerability in the Oracle Knowledge Management product of Oracle E-Business Suite (component: Setup, Admin).

    HighCVSS 8.2No exploitEPSS 79%

    oracle · knowledge managementApr 22, 2021

  • CVE-2021-2289
    37Monitor

    Vulnerability in the Oracle Product Hub product of Oracle E-Business Suite (component: Template, GTIN search).

    HighCVSS 8.1No exploitEPSS 15%

    oracle · product hubApr 22, 2021

  • Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8

    LowCVSS 2.5No exploitEPSS 0%

    vaadin · vaadinApr 23, 2021

  • Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browse

    CriticalCVSS 10.0KEVWeaponizedEPSS 47%

    ivanti · connect secureApr 23, 2021

  • Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing t

    HighCVSS 7.8KEVWeaponizedEPSS 99%

    exiftool project · exiftoolApr 23, 2021

  • An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9.

    CriticalCVSS 10.0KEVWeaponizedEPSS 99%

    gitlab · gitlabApr 23, 2021

  • An issue was discovered in svc-login.php in Void Aural Rec Monitor 9.0.0.1.

    HighCVSS 7.5Proof of conceptEPSS 12%

    void · aurall rec monitorApr 23, 2021

  • Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process featur

    CriticalCVSS 9.6Proof of conceptEPSS 33%

    webmin · webminApr 25, 2021

  • NETGEAR R7000 1.0.11.116 devices have a heap-based Buffer Overflow that is exploitable from the local network without authentication.

    HighCVSS 8.8WeaponizedEPSS 14%

    netgear · r7000 firmwareApr 26, 2021

  • CVE-2021-21206
    68This week

    Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a craft

    HighCVSS 8.8KEVWeaponizedEPSS 9%

    google · chromeApr 26, 2021

  • Inappropriate implementation in Autofill in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to spoof security UI via a crafted

    MediumCVSS 6.5No exploitEPSS 34%

    google · chromeApr 26, 2021

  • Inappropriate implementation in Autofill in Google Chrome prior to 90.0.4430.72 allowed a remote attacker to spoof security UI via a crafted

    MediumCVSS 6.5No exploitEPSS 21%

    google · chromeApr 26, 2021

  • Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit he

    HighCVSS 8.8KEVWeaponizedEPSS 70%

    google · chromeApr 26, 2021

  • Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a craft

    HighCVSS 8.8KEVWeaponizedEPSS 84%

    google · chromeApr 26, 2021

  • Apache Superset Open Redirect

    MediumCVSS 6.1No exploitEPSS 64%

    apache · supersetApr 27, 2021

  • RCE vulnerability in latest Apache OFBiz due to Java serialisation using RMI

    CriticalCVSS 9.8Proof of conceptEPSS 55%

    apache · ofbizApr 27, 2021

  • CVE-2021-30128
    63This week

    Unsafe deserialization in Apache OFBiz

    CriticalCVSS 9.8Proof of conceptEPSS 81%

    apache · ofbizApr 27, 2021

  • CVE-2021-29441
    64This week

    Authentication bypass

    CriticalCVSS 9.8Proof of conceptEPSS 83%

    alibaba · nacosApr 27, 2021

  • Authentication bypass

    HighCVSS 7.5Proof of conceptEPSS 65%

    alibaba · nacosApr 27, 2021

  • CVE-2021-31856
    62This week

    A SQL Injection vulnerability in the REST API in Layer5 Meshery 0.5.2 allows an attacker to execute arbitrary SQL commands via the /experime

    CriticalCVSS 9.8Proof of conceptEPSS 75%

    layer5 · mesheryApr 28, 2021

  • pfSense 2.5.0 allows XSS via the services_wol_edit.php Description field.

    MediumCVSS 6.1No exploitEPSS 26%

    pfsense · pfsenseApr 28, 2021

  • A remote insecure deserialization vulnerability was discovered in Aruba AirWave Management Platform version(s) prior to 8.2.12.1.

    HighCVSS 8.8No exploitEPSS 11%

    arubanetworks · airwaveApr 28, 2021

  • An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself

    HighCVSS 7.5No exploitEPSS 11%

    debian · debian linuxApr 28, 2021

  • CVE-2021-25216
    64This week

    A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack

    CriticalCVSS 9.8No exploitEPSS 82%

    debian · debian linuxApr 28, 2021

  • A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <=

    CriticalCVSS 9.8KEVWeaponizedEPSS 99%

    buffalo · wsr-2533dhpl2-bk firmwareApr 29, 2021

  • In versions 8.2.1 through 8.5.2 of Pega Infinity, the password reset functionality for local accounts can be used to bypass local authentica

    CriticalCVSS 9.8Proof of conceptEPSS 53%

    pega · infinityApr 29, 2021

  • Zoho ManageEngine Eventlog Analyzer through 12147 is vulnerable to unauthenticated directory traversal via an entry in a ZIP archive.

    CriticalCVSS 9.8No exploitEPSS 16%

    zohocorp · manageengine eventlog analyzerApr 30, 2021

  • A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uplo

    HighCVSS 7.2Proof of conceptEPSS 13%

    chamilo · chamiloApr 30, 2021