CVE-2016-8735
CRITICALCISA KEVEPSS 100th pctlDescription
Remote 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 before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports. The issue exists because this listener wasn't updated for consistency with the CVE-2016-3427 Oracle patch that affected credential types.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Apache Tomcat Remote Code Execution Vulnerability
Apache Tomcat contains an unspecified vulnerability that allows for remote code execution if JmxRemoteLifecycleListener is used and an attacker can reach Java Management Extension (JMX) ports. This CVE exists because this listener wasn't updated for consistency with the Oracle patched issues for CVE-2016-3427 which affected credential types.
Apply updates per vendor instructions.
Remediation due: 2023-06-02
References
- svn.apache.org
- svn.apache.org
- svn.apache.org
- svn.apache.org
- oracle.com
- oracle.com
- oracle.com
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- oracle.com
- oracle.com
Related Vulnerabilities
Other vulnerabilities affecting libservlet2.5-java, ordered by exploit likelihood.
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2016-6816 | High | 7.1 | 40% | - | Fix |
| CVE-2016-5018 | Critical | 9.1 | 10% | - | Fix |
| CVE-2016-1240 | High | 7.8 | 9.8% | - | Fix |
| CVE-2016-6796 | High | 7.5 | 8.3% | - | Fix |
| CVE-2016-6797 | High | 7.5 | 8.1% | - | Fix |
| CVE-2016-0762 | Medium | 5.9 | 8.0% | - | Fix |
Common questions
How do I fix CVE-2016-8735?
Published advisories record a fix for 6 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2016-8735 being actively exploited?
Yes. CVE-2016-8735 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2023-06-02. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2016-8735?
CVE-2016-8735 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2016-8735 affect?
Published advisories record a fix for libservlet2.5-java (Ubuntu), libtomcat7-java (Ubuntu), libtomcat8-java (Ubuntu), tomcat6 (Ubuntu), and 2 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-25.