Vulnerability in Apache Tomcat
CVE-2020-13935
The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple reques…
EPSS: 0.876 (99.7th 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:N/I:N/A:H.
Affected products
- Apache Tomcat — versions 9.0.0, 10.0.0
- Mcafee Epolicy_orchestrator — versions 5.9.0, 5.9.1, 5.10.0
- Netapp Oncommand_system_manager
- Oracle Agile_engineering_data_management — versions 6.2.1.0
- Oracle Agile_plm — versions 9.3.3, 9.3.5, 9.3.6
- Oracle Blockchain_platform
- Oracle Commerce_guided_search — versions 11.3.2
- Oracle Communications_cloud_native_core_policy — versions 1.14.0
- Oracle Communications_instant_messaging_server — versions 10.0.1.5.0
- Oracle Fmw_platform — 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, Release Notes, Vendor Advisory)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@apache.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security@apache.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13935?
- CVE-2020-13935 is a high-severity vulnerability in Apache Tomcat, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2020-07-14.
- How severe is CVE-2020-13935?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-13935 known to be exploited?
- 53 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.