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CVE-2016-6325: The Tomcat package on Red Hat Enterprise Linux (RHEL) 5 through 7, JBoss Web Server 3.0, and JBoss EWS 2 uses weak permissions for (1)…

HighCVSS 7.8 · v3.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 31/100)

  • 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: 0.69% (FIRST EPSS); higher than 53.3% of all records.
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: tomcat6 (Red Hat:enterprise_linux:6::client) 0:6.0.24-98.el6_8; tomcat6-admin-webapps (Red Hat:enterprise_linux:6::client) 0:6.0.24-98.el6_8; tomcat6-docs-webapp (Red Hat:enterprise_linux:6::client) 0:6.0.24-98.el6_8.

Low priority for now. Upgrade to tomcat6 (Red Hat:enterprise_linux:6::client) 0:6.0.24-98.el6_8; tomcat6-admin-webapps (Red Hat:enterprise_linux:6::client) 0:6.0.24-98.el6_8; tomcat6-docs-webapp (Red Hat:enterprise_linux:6::client) 0:6.0.24-98.el6_8 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 Tomcat package on Red Hat Enterprise Linux (RHEL) 5 through 7, JBoss Web Server 3.0, and JBoss EWS 2 uses weak permissions for (1) /etc/sysconfig/tomcat and (2) /etc/tomcat/tomcat.conf, which allows local users to gain privileges by leveraging membership in the tomcat group.

Published
Oct 13, 2016
Updated
Jun 16, 2026
EPSS
0.6% · 53th percentile

Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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  • when exploit code appears or is weaponized
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Noroxi 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.

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Affected 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.

VendorProduct
apachetomcat
redhatjboss enterprise web server
redhatjboss web server
redhatenterprise linux
redhatenterprise linux desktop
redhatenterprise linux hpc node
redhatenterprise linux hpc node eus
redhatenterprise linux server
redhatenterprise linux server aus
redhatenterprise linux server eus
redhatenterprise linux workstation

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apache tomcatall versions

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:enterprise_linux:6::clienttomcat6before 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-admin-webappsbefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-docs-webappbefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-el-2.1-apibefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-javadocbefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-jsp-2.1-apibefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-libbefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-servlet-2.5-apibefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:6::clienttomcat6-webappsbefore 0:6.0.24-98.el6_80:6.0.24-98.el6_8
Red Hat:enterprise_linux:7::clienttomcatbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-admin-webappsbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-docs-webappbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-el-2.2-apibefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-javadocbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-jsp-2.2-apibefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-jsvcbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-libbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-servlet-3.0-apibefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:enterprise_linux:7::clienttomcat-webappsbefore 0:7.0.54-8.el7_20:7.0.54-8.el7_2
Red Hat:jboss_enterprise_web_server:3.1::el6hibernate4-c3p0-eap6before 0:4.2.23-1.Final_redhat_1.1.ep6.el60:4.2.23-1.Final_redhat_1.1.ep6.el6
Red Hat:jboss_enterprise_web_server:3.1::el6hibernate4-core-eap6before 0:4.2.23-1.Final_redhat_1.1.ep6.el60:4.2.23-1.Final_redhat_1.1.ep6.el6
Red Hat:jboss_enterprise_web_server:3.1::el6hibernate4-eap6before 0:4.2.23-1.Final_redhat_1.1.ep6.el60:4.2.23-1.Final_redhat_1.1.ep6.el6
Red Hat:jboss_enterprise_web_server:3.1::el6hibernate4-entitymanager-eap6before 0:4.2.23-1.Final_redhat_1.1.ep6.el60:4.2.23-1.Final_redhat_1.1.ep6.el6
Red Hat:jboss_enterprise_web_server:3.1::el6hibernate4-envers-eap6before 0:4.2.23-1.Final_redhat_1.1.ep6.el60:4.2.23-1.Final_redhat_1.1.ep6.el6

+73

Same product

apache: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-24813Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUTKEV
    99Now
  • 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…KEV
    96Now
  • 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.KEV
    92Now

Published before and after this one in the same product

  • ← EarlierCVE-2016-3092Jul 4, 2016 · The MultipartStream class in Apache Commons Fileupload before 1.3.2, as used in Apache Tomcat 7.x before 7.0.70, 8.x before 8.0.36, 8.5.x…
    41Plan
  • ← EarlierCVE-2016-5388Jul 19, 2016 · Apache Tomcat 7.x through 7.0.70 and 8.x through 8.5.4, when the CGI Servlet is enabled, follows RFC 3875 section 4.1.18 and therefore does…
    47Plan
  • Later →CVE-2016-8747Mar 14, 2017 · An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations.
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:tomcat0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:tomcat-admin-webapps0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:tomcat-servlet-3.0-api0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:tomcat60:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-admin-webapps0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-docs-webapp0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-el-2.1-api0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-javadoc0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-jsp-2.1-api0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-lib0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-servlet-2.5-api0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:tomcat6-webapps0:6.0.24-98.el6_8 · Red Hat:enterprise_linux:6::clientPackage 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

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-264 · Permissions, Privileges, and Access Controls

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records