CVE-2020-1944
Apache Traffic Server vulnerability analysis and mitigation

Overview

A vulnerability was identified in Apache Traffic Server (ATS) versions 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5, tracked as CVE-2020-1944. The vulnerability is related to request smuggling attacks involving Transfer-Encoding and Content-length headers (NVD, CVE).

Technical details

The vulnerability affects the handling of Transfer-Encoding and Content-length headers in Apache Traffic Server, potentially allowing for request smuggling attacks. The issue was discovered and reported by ZeddYu Lu (Apache Announce).

Impact

The vulnerability could potentially enable request smuggling attacks against affected Apache Traffic Server installations (Debian Security).

Mitigation and workarounds

Users are advised to upgrade to Apache Traffic Server versions 7.1.9, 8.0.6, or later versions to address this vulnerability. For Debian users specifically, the issue has been fixed in version 8.0.2+ds-1+deb10u2 for the stable distribution (buster) (Debian Security).

Additional resources


SourceThis report was generated using AI

Related Apache Traffic Server vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-49763HIGH7.5
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