Vulnerability in Apache Tomcat
CVE-2019-17569
The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possi…
Vulnerability class: HTTP Request Smuggling
EPSS: 0.089 (94.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Apache Tomcat — versions Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50, 7.0.98 to 7.0.99
- Apache Tomcat
- Apache Tomee — versions 7.0.7
- Netapp Data_availability_services
- 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 Communications_instant_messaging_server — versions 10.0.1.4.0
- Oracle Health_sciences_empirica_inspections — versions 1.0.1.2
- Oracle Health_sciences_empirica_signal — versions 7.3.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List)
- 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 (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-17569?
- CVE-2019-17569 is a medium-severity vulnerability in Apache Tomcat, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 4.8/10. Published 2020-02-24.
- How severe is CVE-2019-17569?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2019-17569 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.