CVE-2016-1546

Advisory lineage Upstream: 0 Downstream: 2
Modified
Published: 06 Jul 2016, 14:00
Last modified:05 Aug 2024, 23:02

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.9 MEDIUM
v3.0 (nvd)
EPSS Score
41.5% HIGH
42% probability +4.67%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

06 Jul 2016, 14:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:02
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.0MEDIUMScore: 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0MEDIUMScore: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 41.50% Percentile: 97%

Techniques & Countermeasures

  • CWE-399Resource Management Errors

    Weaknesses in this category are related to improper management of system resources.

Affected Systems

  • UnknownHTTP Server

    2.4.17 | 2.4.18

References (21)