CVE-2021-41079CWE-20

CVE-2021-41079: vulnerability in Apache Tomcat

Apache Tomcat DoS with unexpected TLS packet

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 7.2%
Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.
Affected products
Apache Software Foundation · Apache Tomcat
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