CVE-2021-30640
A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.
- Score
- CVSS 3.1 6.5 Medium
- Status
- Modified - security@apache.org
- Published
- 2021-07-12
- Last modified
- 2026-10-08
- Weaknesses
- CWE-116
Affected products
- Tomcat (Apache)
- Apache Tomcat (Apache Software Foundation)
- Debian Linux (Debian)
- Communications Cloud Native Core Policy (Oracle)
- Communications Diameter Signaling Router (Oracle)
- Communications Pricing Design Center (Oracle)
- Hospitality Cruise Shipboard Property Management System (Oracle)
- Tekelec Platform Distribution (Oracle)
References
- https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apa…
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html
- https://www.debian.org/security/2021/dsa-4952
- https://www.debian.org/security/2021/dsa-4986
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://security.netapp.com/advisory/ntap-20210827-0007/
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://security.gentoo.org/glsa/202208-34
