Resource Exhaustion The advisory has been revoked - it doesn't affect any version of package rh-java-common-tomcat (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-RHJAVACOMMONTOMCAT-9895029
- published29 Apr 2025
- disclosed15 Jul 2020
Introduced: 15 Jul 2020
CVE-2020-13935 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rh-java-common-tomcat package and not the rh-java-common-tomcat package as distributed by RHEL.
The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1857024
- https://access.redhat.com/security/cve/CVE-2020-13935
- https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50@%3Cusers.tomcat.apache.org%3E
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html
- https://kc.mcafee.com/corporate/index?page=content&id=SB10332
- https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50%40%3Cusers.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html
- https://security.netapp.com/advisory/ntap-20200724-0003/
- https://usn.ubuntu.com/4448-1/
- https://usn.ubuntu.com/4596-1/
- https://www.debian.org/security/2020/dsa-4727
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2020/CVE-2020-13935.yaml
- https://github.com/RedTeamPentesting/CVE-2020-13935