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CVE-2016-8735: Apache Tomcat Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2016-8735
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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

vendor: Apacheproduct: TomcatRemote code execution
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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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-05-12
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-8735

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2016-8735coverage & exploitation statusNVD · CVE.org

Recent advisories for Apache Tomcat Remote

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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