CVE-2012-4557

medium Apache
CVSS v3 Base Score
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Score
26.0%
Exploitation probability in 30 days
Top 4% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P
Published: November 30, 2012 (4913 days ago)
Last Modified: April 29, 2026
Vendor: Apache
Source: NVD

Description

The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.

CWE

CWE-399

Affected Products

apache http server

References

🔗 httpd.apache.org 🔗 lists.opensuse.org 🔗 lists.opensuse.org 🔗 marc.info 🔗 svn.apache.org