CVE-2021-30640

Auth weakness in JNDIRealm

Published Jul 12, 2021 CVSS 3.1 · 6.5 Medium EPSS 9.9% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2733-1 tomcat8 security update
Debian DSA Debian DSA DSA-4952-1 tomcat9 security update
Debian DSA Debian DSA DSA-4984-1 tomcat9 security update
EUVD EUVD EUVD-2021-1533 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.
Github GHSA Github GHSA GHSA-36qh-35cm-5w2w Authentication Bypass by Alternate Name in Apache Tomcat
Ubuntu USN Ubuntu USN USN-5360-1 Tomcat vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}