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.
CVE-2021-30640 - Medium Severity Vulnerability
Core Tomcat implementation
Library home page: https://tomcat.apache.org/
Path to dependency file: /pom.xml
Path to vulnerable library: /20201127105057_JYADOJ/downloadResource_XKWWQX/20201127105927/tomcat-embed-core-9.0.27.jar
Dependency Hierarchy: - :x: **tomcat-embed-core-9.0.27.jar** (Vulnerable Library)
Found in HEAD commit: 26994796809a3a8687a975e3361495d457afe47c
Found in base branch: master
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.
Publish Date: 2021-07-12
URL: CVE-2021-30640
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: High - Availability Impact: None
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://lists.apache.org/thread/3qcmnprbtft3phn3vyk06hpycm7p4sgx
Release Date: 2021-07-12
Fix Resolution: 9.0.46
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