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MEDIUM

tomcat: Vary header not added by CORS filter leading to cache poisoning

Published Aug 11, 2017

Description

The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

References (64)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apache
Published Aug 11, 2017
Updated Sep 17, 2024
Reserved Apr 11, 2017
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Moderate
Public date Aug 10, 2017
GHSA-73RX-3F9R-X949