CVE-2021-25122

HighCVSS 7.5/10Last modified Oct 8, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published
Mar 1, 2021
Last modified
Oct 8, 2026
NVD status
Modified

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CVE-2021-25122: High severity, CVSS 7.5 | Vulnix