AUGUST 5, 2026
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Case File

CVE-2021-41079

HIGH · CVSS 7.5 EPSS 7.18%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-16 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Apache, OpenSSL. It may lead to a denial-of-service condition.

CVE
CVE-2021-41079
Severity
HIGH
CVSS
7.5
EPSS
7.18%
Apache OpenSSL

Original NVD Description

Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.

Related CVEs

Other vulnerabilities affecting the same vendor(s)