CVE-2016-6797: The ResourceLinkFactory implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0…
Noroxi assessment
Priority: Monitor (action score 32/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 8% (FIRST EPSS); higher than 94.8% of all records.
- Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
- According to CISA the attack is automatable: targets can be found by mass scanning.
- Fixed version: tomcat6 (Debian:7) 6.0.45+dfsg-1~deb7u3; tomcat7 (Debian:7) 7.0.28-4+deb7u7; tomcat7 (Debian:8) 7.0.56-3+deb8u5.
Low priority for now. Upgrade to tomcat6 (Debian:7) 6.0.45+dfsg-1~deb7u3; tomcat7 (Debian:7) 7.0.28-4+deb7u7; tomcat7 (Debian:8) 7.0.56-3+deb8u5 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
The ResourceLinkFactory implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not limit web application access to global JNDI resources to those resources explicitly linked to the web application. Therefore, it was possible for a web application to access any global JNDI resource whether an explicit ResourceLink had been configured or not.
- Published
- Aug 10, 2017
- Updated
- Oct 8, 2026
- EPSS
- 8.0% · 94th percentile
- CWE
- CWE-863
Report tools
Action score
32
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 8.0%
CISA SSVC decision
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check itNoroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| apache | tomcat | cpe:2.3:a:apache:tomcat |
| oracle | tekelec platform distribution | cpe:2.3:a:oracle:tekelec_platform_distribution |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| netapp | oncommand insight | cpe:2.3:a:netapp:oncommand_insight |
| netapp | oncommand shift | cpe:2.3:a:netapp:oncommand_shift |
| netapp | snap creator framework | cpe:2.3:a:netapp:snap_creator_framework |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| redhat | jboss enterprise web server | cpe:2.3:a:redhat:jboss_enterprise_web_server |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux eus | cpe:2.3:o:redhat:enterprise_linux_eus |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux server aus | cpe:2.3:o:redhat:enterprise_linux_server_aus |
and 2 more
Versions reported by the vendor
Affected version ranges reported by the assigning authority (apache). Independent of NVD's CPE analysis and usually ahead of it.
Apache Software Foundation Apache Tomcat
- 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70, 6.0.0 to 6.0.45affected
Affected versions · NVD (20)
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apache tomcat6.0.0 and later · up to 6.0.45 inclusive
- apache tomcat7.0.0 and later · up to 7.0.70 inclusive
- apache tomcat8.0 and later · up to 8.0.36 inclusive
- apache tomcat8.5.0 and later · up to 8.5.4 inclusive
- apache tomcat9.0.0
- canonical ubuntu linux16.04
- debian debian linux8.0
- netapp oncommand insightall versions
- netapp oncommand shiftall versions
- netapp snap creator frameworkall versions
- oracle tekelec platform distribution7.4.0 and later · up to 7.7.1 inclusive
- redhat enterprise linux desktop7.0
- redhat enterprise linux eus7.4
- redhat enterprise linux eus7.5
- redhat enterprise linux eus7.6
- redhat enterprise linux eus7.7
- redhat enterprise linux server7.0
- redhat enterprise linux server aus7.4
- redhat enterprise linux server aus7.6
- redhat enterprise linux server aus7.7
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:7 | tomcat6 | before 6.0.45+dfsg-1~deb7u3 | 6.0.45+dfsg-1~deb7u3 |
| Debian:7 | tomcat7 | before 7.0.28-4+deb7u7 | 7.0.28-4+deb7u7 |
| Debian:8 | tomcat7 | before 7.0.56-3+deb8u5 | 7.0.56-3+deb8u5 |
| Debian:8 | tomcat8 | before 8.0.14-1+deb8u4 | 8.0.14-1+deb8u4 |
| Maven | org.apache.tomcat:tomcat | from 7.0.0 · before 7.0.72 | 7.0.72 |
| Maven | org.apache.tomcat:tomcat | from 8.0.0 · before 8.0.37 | 8.0.37 |
| Maven | org.apache.tomcat:tomcat | from 8.5.0 · before 8.5.5 | 8.5.5 |
| Maven | org.apache.tomcat:tomcat | from 9.0.0.M1 · before 9.0.0.M10 | 9.0.0.M10 |
| Red Hat:enterprise_linux:7::client | tomcat | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-admin-webapps | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-docs-webapp | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-el-2.2-api | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-javadoc | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-jsp-2.2-api | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-jsvc | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-lib | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-servlet-3.0-api | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:enterprise_linux:7::client | tomcat-webapps | before 0:7.0.76-2.el7 | 0:7.0.76-2.el7 |
| Red Hat:jboss_enterprise_web_server:3.1::el6 | hibernate4-c3p0-eap6 | before 0:4.2.23-1.Final_redhat_1.1.ep6.el6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 |
| Red Hat:jboss_enterprise_web_server:3.1::el6 | hibernate4-core-eap6 | before 0:4.2.23-1.Final_redhat_1.1.ep6.el6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 |
| Red Hat:jboss_enterprise_web_server:3.1::el6 | hibernate4-eap6 | before 0:4.2.23-1.Final_redhat_1.1.ep6.el6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 |
| Red Hat:jboss_enterprise_web_server:3.1::el6 | hibernate4-entitymanager-eap6 | before 0:4.2.23-1.Final_redhat_1.1.ep6.el6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 |
| Red Hat:jboss_enterprise_web_server:3.1::el6 | hibernate4-envers-eap6 | before 0:4.2.23-1.Final_redhat_1.1.ep6.el6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 |
| Red Hat:jboss_enterprise_web_server:3.1::el6 | jbcs-httpd24-apache-commons-daemon | before 0:1.0.15-1.redhat_2.1.jbcs.el6 | 0:1.0.15-1.redhat_2.1.jbcs.el6 |
+76
Same product
apache: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-24813Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUTKEV99Now
- CVE-2016-8735Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x…KEV96Now
- CVE-2017-12617When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g.KEV92Now
Published before and after this one in the same product
- ← EarlierCVE-2016-6817Aug 10, 2017 · The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that…32Monitor
- ← EarlierCVE-2016-8745Aug 10, 2017 · A bug in the error handling of the send file code for the NIO HTTP connector in Apache Tomcat 9.0.0.M1 to 9.0.0.M13, 8.5.0 to 8.5.8…35Monitor
- Later →CVE-2017-7675Aug 10, 2017 · The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.0.M21 and 8.5.0 to 8.5.15 bypassed a number of security checks that prevented…33Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:tomcat6 | 6.0.45+dfsg-1~deb7u3 · Debian:7 | Package registry (OSV) |
| debian:tomcat7 | 7.0.28-4+deb7u7 · Debian:7 | Package registry (OSV) |
| debian:tomcat8 | 8.0.14-1+deb8u4 · Debian:8 | Package registry (OSV) |
| Maven:org.apache.tomcat:tomcat | 7.0.72 | Package registry (OSV) |
| Maven:org.apache.tomcat:tomcat | 8.0.37 | Package registry (OSV) |
| Maven:org.apache.tomcat:tomcat | 8.5.5 | Package registry (OSV) |
| Maven:org.apache.tomcat:tomcat | 9.0.0.M10 | Package registry (OSV) |
| red hat:hibernate4-c3p0-eap6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:hibernate4-core-eap6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:hibernate4-eap6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:hibernate4-entitymanager-eap6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:hibernate4-envers-eap6 | 0:4.2.23-1.Final_redhat_1.1.ep6.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:jbcs-httpd24-apache-commons-daemon | 0:1.0.15-1.redhat_2.1.jbcs.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:jbcs-httpd24-apache-commons-daemon-jsvc | 1:1.0.15-17.redhat_2.jbcs.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:jbcs-httpd24-apache-commons-daemon-jsvc-debuginfo | 1:1.0.15-17.redhat_2.jbcs.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:jbcs-httpd24-runtime | 0:1-3.jbcs.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:mod_cluster | 0:1.3.5-2.Final_redhat_2.1.ep7.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:mod_cluster-tomcat7 | 0:1.3.5-2.Final_redhat_2.1.ep7.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| red hat:mod_cluster-tomcat8 | 0:1.3.5-2.Final_redhat_2.1.ep7.el6 · Red Hat:jboss_enterprise_web_server:3.1::el6 | Package registry (OSV) |
| suse:tomcat | 8.0.32-10.13.2 · SUSE:Linux Enterprise Server 12 SP1 | Package registry (OSV) |
| suse:tomcat6 | 6.0.53-0.56.1 · SUSE:Linux Enterprise Point of Sale 11 SP3 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-863 · Incorrect AuthorizationCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log (2)
- SSVC exploitation— → none
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (19 more)Show less
- www.debian.org/security/2016/dsa-3720
- www.securityfocus.com/bid/93940
- www.securitytracker.com/id/1037145
- access.redhat.com/errata/RHSA-2017:0455
- access.redhat.com/errata/RHSA-2017:0456
- access.redhat.com/errata/RHSA-2017:2247
- lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/9325837eb00cba5752c092047433c7f0415134d16e7f391447ff4352%40%3Cannounce.tomcat.apache.org%3E
- lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
- lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
Vendor advisories and official records. Exploit/PoC links are deliberately left out.