VULNERABILITY INTELLIGENCE
CVE-2021-25122
CVSS score7.5 HIGH
EPSS probability18.11%
CISA KEVNot currently listed
Published2021-03-01
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
Weakness classification
- security@apache.org: CWE-200
- nvd@nist.gov: CWE-200
Primary references
- security@apache.org — Mailing List, Third Party Advisory
- security@apache.org
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org — Mailing List, Vendor Advisory
- security@apache.org
- security@apache.org