CVE-2016-8735

CVE-2016-8735 is a critical-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-05-12).

Key facts

Description

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.

Frequently asked questions

What is CVE-2016-8735?
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 severe is CVE-2016-8735?
CVE-2016-8735 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-8735 being actively exploited?
Yes. CVE-2016-8735 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-05-12, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2016-8735?
CVE-2016-8735 primarily affects Apache Tomcat. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8735?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2016-8735 have an EU (EUVD) identifier?
Yes. CVE-2016-8735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-3642. It is also flagged as exploited in the EUVD (since 2023-05-12).
When was CVE-2016-8735 published?
CVE-2016-8735 was published on 2017-04-06 and last updated on 2026-06-17.

References

Affected products (51)

More vulnerabilities in Apache Tomcat

All CVEs affecting Apache Tomcat →