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CVE-2021-25122

Apache Tomcat

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.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
7.5 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-200
Assigned by
security@apache.org

Dates

Published
2021-03-01
Last modified
2026-08-25
Sources
NVD

Affected products

  • Apache Tomcat8.5.0 - 8.5.61, 9.0.0 - 9.0.41, 9.0.0, 10.0.0
  • Debian Debian Linux9.0, 10.0
  • Oracle Agile Product Lifecycle Management9.3.3, 9.3.6
  • Oracle Communications Cloud Native Core Policy1.14.0
  • Oracle Communications Cloud Native Core Security Edge Protection Proxy1.6.0
  • Oracle Communications Instant Messaging Server10.0.1.5.0
  • Oracle Database12.2.0.1, 19c, 21c
  • Oracle Graph Server And Client- 21.3.0, 21.3.0
  • Oracle Instantis Enterprisetrack17.1, 17.2, 17.3
  • Oracle Managed File Transfer12.2.1.3.0, 12.2.1.4.0
  • Oracle Mysql Enterprise Monitor- 8.0.23
  • Oracle Siebel Ui Framework- 21.9

As listed in the NVD configuration data. Not a statement about your estate.

References