Resource exhaustion in Apache Tomcat
CVE-2019-0199
The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.14 and 8.5.0 to 8.5.37 accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.729 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Tomcat — versions 9.0.0
- N/a Apache Tomcat — versions Apache Tomcat 9.0.0.M1 to 9.0.14, 8.5.0 to 8.5.37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_MISC)
- 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 (x_refsource_CONFIRM, 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)
- security@apache.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2019-0199?
- CVE-2019-0199 is a high-severity vulnerability in Apache Tomcat, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2019-04-10.
- How severe is CVE-2019-0199?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-0199 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.