CVE-2016-8735

criticalknown exploitedpublic exploitcovered by 1 sourcefirst seen 2023-05-12

Actively exploited. CVE-2016-8735 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-05-12) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Public exploit code is available. Proof-of-concept or working exploit code for CVE-2016-8735 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.

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.

CSIRTS triage

What: There is a vulnerability that allows for remote code execution if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports.
Who is affected: Deployments of Apache Tomcat using JmxRemoteLifecycleListener are affected.
Urgency: Remediation is urgent due to the critical severity and confirmed exploitation.
Action: Users should update to the latest version of Apache Tomcat.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.

Exploit availability

Public exploit or proof-of-concept code for CVE-2016-8735 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.

GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗

Advisory coverage (1)

criticalexploitedCVE-2016-8735: Apache Tomcat Remote Code Execution Vulnerabilitycisa-kev · 2023-05-12

External references

NVD record for CVE-2016-8735

CVE.org record

CISA KEV catalog

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