Authentication Bypass by Alternate Name in Apache Tomcat
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-30640US | medium6.5 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3EWEB
- https://lists.debian.org/debian-lts-announce/2021/08/msg00009.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-30640ADVISORY
- https://security.gentoo.org/glsa/202208-34WEB
- https://security.netapp.com/advisory/ntap-20210827-0007WEB
- https://www.debian.org/security/2021/dsa-4952WEB
- https://www.debian.org/security/2021/dsa-4986WEB
- https://www.oracle.com//security-alerts/cpujul2021.htmlWEB
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