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Servers and applications

CVE-2012-3502

The proxy functionality in (1) mod_proxy_ajp.c in the mod_proxy_ajp module and (2) mod_proxy_http.c in the mod_proxy_http module in the Apache HTTP Server 2.4.x before 2.4.3 does not properly determine the situations that require closing a back-end connection, which allows remote attackers to obtain sensitive information in opportunistic circumstances by reading a response that was intended for…

Severity
Medium 4.3
Published
22 Aug 2012
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
9.6% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Sources
NVD

Description

The proxy functionality in (1) mod_proxy_ajp.c in the mod_proxy_ajp module and (2) mod_proxy_http.c in the mod_proxy_http module in the Apache HTTP Server 2.4.x before 2.4.3 does not properly determine the situations that require closing a back-end connection, which allows remote attackers to obtain sensitive information in opportunistic circumstances by reading a response that was intended for a different client.

From NVD.

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.4.0
  • Version 2.4.1
  • Version 2.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-3502
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-3502