Improper Authentication Affecting tomcat9 package, versions <9.0.43-2~deb11u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.2% (60th percentile)

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  • Snyk IDSNYK-DEBIAN11-TOMCAT9-1316675
  • published13 Jul 2021
  • disclosed12 Jul 2021

Introduced: 12 Jul 2021

CVE-2021-30640  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade Debian:11 tomcat9 to version 9.0.43-2~deb11u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Scores

version 3.1