A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.
Published 2019-06-11 22:29:04
Updated 2022-09-07 17:36:28
View at NVD,   CVE.org

Threat overview for CVE-2019-0197

Top countries where our scanners detected CVE-2019-0197
Top open port discovered on systems with this issue 80
IPs affected by CVE-2019-0197 2,169,618
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-0197!
*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-2019-0197

0.32%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-0197

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
MEDIUM AV:N/AC:M/Au:S/C:N/I:P/A:P
6.8
4.9
NIST
4.2
MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
1.6
2.5
NIST

CWE ids for CVE-2019-0197

  • The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-0197

Products affected by CVE-2019-0197

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!