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CVE-2021-30640

Public on 2021-07-12
Modified on 2023-06-07
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.

Severity
Low
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Tomcat8.5 Extra tomcat 2023-08-21 20:58 ALAS2TOMCAT8.5-2023-007
Amazon Linux 2 - Tomcat8.5 Extra tomcat 2024-02-01 20:10 ALAS2TOMCAT8.5-2024-017
Amazon Linux 1 tomcat7 2021-09-02 22:54 ALAS-2021-1534

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
NVD CVSSv2 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N