Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2012-4557


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.


Published

2012-11-30T19:55:01.050

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache http_server 2.2.12 Yes
Application apache http_server 2.2.13 Yes
Application apache http_server 2.2.14 Yes
Application apache http_server 2.2.15 Yes
Application apache http_server 2.2.16 Yes
Application apache http_server 2.2.17 Yes
Application apache http_server 2.2.18 Yes
Application apache http_server 2.2.19 Yes
Application apache http_server 2.2.20 Yes
Application apache http_server 2.2.21 Yes

References