Vulnerability Details : CVE-2016-1546

The Apache HTTP Server 2.4.17 and 2.4.18, when mod_http2 is enabled, does not limit the number of simultaneous stream workers for a single HTTP/2 connection, which allows remote attackers to cause a denial of service (stream-processing outage) via modified flow-control windows.
Published 2016-07-06 14:59:02
Updated 2021-06-06 11:15:19
Source CERT/CC
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2016-1546

Threat overview for CVE-2016-1546

Top countries where our scanners detected CVE-2016-1546
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-1546 396,418
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-1546!
*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-2016-1546

EPSS FAQ
4.61%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-1546

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
 NIST
5.9
 MEDIUM CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
2.2
3.6
 NIST

CWE ids for CVE-2016-1546

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-1546

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