Information disclosure in Apache Tomcat
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 use…
Vulnerability class: Information Disclosure
EPSS: 0.181 (96.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Apache Tomcat — versions 9.0.0, 10.0.0
- Apache Software Foundation Tomcat — versions Apache Tomcat 10, Apache Tomcat 9, Apache Tomcat 8.5
- Oracle Agile_plm — versions 9.3.3, 9.3.6
- Oracle Communications_cloud_native_core_policy — versions 1.14.0
- Oracle Communications_cloud_native_core_security_edge_protection_proxy — versions 1.6.0
- Oracle Communications_instant_messaging_server — versions 10.0.1.5.0
- Oracle Database — versions 12.2.0.1, 19c, 21c
- Oracle Graph_server_and_client — versions 21.3.0
- Oracle Instantis_enterprisetrack — versions 17.1, 17.2, 17.3
- Oracle Managed_file_transfer — versions 12.2.1.3.0, 12.2.1.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2021-25122?
- CVE-2021-25122 is a high-severity vulnerability in Apache Tomcat, classified under Information Disclosure. CVSS score: 7.5/10. Published 2021-03-01.
- How severe is CVE-2021-25122?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-25122 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.