CVE-2020-13935

25Vexday Risk Score

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

ssvc Trackepss 87%

exploitation probability

87%top 1% of all CVEs

observed exploitation

nono source reports it

What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗

Affected

7 products (14 components)

Red Hat Software Collections · Red Hat Enterprise Linux 8 · Red Hat OpenStack Platform 13 (Queens) · Red Hat JBoss Data Grid 6 · Red Hat JBoss Data Virtualization 6 · and others 2

workaround: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.

Fixed

22 products (407 components)

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server · Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server · Red Hat JBoss Web Server 3.1 for RHEL 6 · Red Hat JBoss Web Server 3.1 for RHEL 7 · Red Hat JBoss Web Server 5.3 for RHEL 6 Server · and others 17

fix ↗

Not affected

4 products (22 components) — because the vulnerable code is not present in the product

Red Hat Enterprise Linux 6 · Red Hat Enterprise Linux 9 · Red Hat Decision Manager 7 · Red Hat Process Automation 7

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.

Affected products

n/a · Apache Tomcat

References

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/cpuApr2021.html https://www.oracle.com/security-alerts/cpuapr2022.html