CVE-2021-25122

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Affected products

Alt Linux, Apache Tomcat, Astra Linux, Linuxmint, Suse, Ubuntu

Apache Tomcat

≤ 8.5.61, 9.0.41, 9.0.0, 10.0.0

Fix

Available

CVSS 3.1

7.5 HIGH

EPSS

18.1% (97th percentile)

Weakness

CWE-200

NVD status

Modified

Published

2021-03-01