Vulnerability Details : 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 keeping streams open for requests that utilised the Servlet API's blocking I/O, clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.
Published 2019-04-10 15:29:00
Updated 2023-12-08 16:41:19
Source Apache Software Foundation
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2019-0199

Threat overview for CVE-2019-0199

Top countries where our scanners detected CVE-2019-0199
Top open port discovered on systems with this issue 80
IPs affected by CVE-2019-0199 99,998
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-0199!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-0199

EPSS FAQ
64.30%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-0199

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2019-0199

References for CVE-2019-0199

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