AUGUST 4, 2026
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Case File

CVE-2021-30640

MEDIUM · CVSS 6.5 EPSS 9.89%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-12 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-30640
Severity
MEDIUM
CVSS
6.5
EPSS
9.89%
Apache

Original NVD 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.