Cyber Risks · GreyNoise Blog

Grey Noise Observes Active Exploitation of Critical Apache Tomcat RCE Vulnerability (CVE-2025-24813)

Summary: GreyNoise reports active exploitation of CVE-2025-24813, a newly disclosed Apache Tomcat vulnerability that could enable remote code execution, with four unique IPs attempting exploits since March 17, 2025, using a partial PUT method to inject malicious payloads. Over 70% of exploit sessions targeted U.S.-based systems, with other attempts aimed at Japan, India, South Korea, and Mexico, and GreyNoise says the traffic is currently limited to naive attackers using PoC code.

Bottom line: Apache Tomcat's widespread deployment means these early attempts from four IPs are likely a preview rather than the full campaign, and with over 70% of sessions already pointed at U.S. systems, unpatched Tomcat instances are the exposure to close first.

Read the original at GreyNoise Blog ↗

Topics
Vulnerabilities & Patching
Mentions
CVE-2025-24813
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CVE-2025-24813: Apache Tomcat Path Equivalence Vulnerability Known Exploited Vulnerabilities · Apr 01, 2025