vulnerability
Apache Tomcat: Low: Authentication weakness (CVE-2021-30640)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:M/Au:N/C:P/I:P/A:N) | Jul 13, 2021 | Jul 13, 2021 | Mar 27, 2026 |
Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Jul 13, 2021
Added
Jul 13, 2021
Modified
Mar 27, 2026
Description
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.
Solutions
apache-tomcat-upgrade-10_0_6apache-tomcat-upgrade-7_0_109apache-tomcat-upgrade-8_5_66apache-tomcat-upgrade-9_0_46
References
- CVE-2021-30640
- https://attackerkb.com/topics/CVE-2021-30640
- CWE-116
- EUVD-EUVD-2021-1533
- http://tomcat.apache.org/security-10.html
- http://tomcat.apache.org/security-7.html
- http://tomcat.apache.org/security-8.html
- http://tomcat.apache.org/security-9.html
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-1533
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