VULNERABILITY INTELLIGENCE
CVE-2021-30640
CVSS score6.5 MEDIUM
EPSS probability9.89%
CISA KEVNot currently listed
Published2021-07-12
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
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.
Weakness classification
- nvd@nist.gov: CWE-116
Primary references
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory
- security@apache.org — Patch, Third Party Advisory
- security@apache.org — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory