Vulnerability · Published Nov 3, 2021 · Assigned by apache

CVE-2021-41585ATS stops accepting connections on FreeBSD

High 7.5

In plain English

A high-severity security flaw in Apache Traffic Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.5%top 15.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Improper Input Validation vulnerability in accepting socket connections in Apache Traffic Server allows an attacker to make the server stop accepting new connections. This issue affects Apache Traffic Server 5.0.0 to 9.1.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:24.04:LTStrafficserverno fix listedUBUNTU-CVE-2021-41585
Ubuntu:25.10trafficserverno fix listedUBUNTU-CVE-2021-41585

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Traffic Server 7.0.0 to 9.1.0

References