Improper Authentication Affecting jws5-tomcat-servlet-4.0-api package, versions <0:9.0.50-3.redhat_00004.1.el7jws


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-RHEL7-JWS5TOMCATSERVLET40API-3480904
  • published1 Nov 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 RHEL:7 jws5-tomcat-servlet-4.0-api to version 0:9.0.50-3.redhat_00004.1.el7jws or higher.
This issue was patched in RHSA-2021:4861.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jws5-tomcat-servlet-4.0-api package and not the jws5-tomcat-servlet-4.0-api package as distributed by RHEL. See How to fix? for RHEL:7 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