CVE-2013-2765

Exp

The ModSecurity module before 2.7.4 for the Apache HTTP Server allows remote attackers to cause a denial of service (NULL pointer dereference, process crash, and disk consumption) via a POST request with a large body and a crafted Content-Type header.

Published: 2013-07-15 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2765 is rated High Exploit Risk (67.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 5.38%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.04% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-2765

EDB-ID Source Kind Published Link
25852 exploit_db edb 2013-05-31 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2765

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 4.33% 5.38% +1.04%
2 2025-12-27 5.38% 4.33% -1.04%
3 2025-10-28 — 5.38% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2765

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-2765

OS Trackers for CVE-2013-2765

vendor priority summary link
debian not yet assigned CVE-2013-2765 not yet assigned priority: Debian including 1 source packages (modsecurity-apache), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-2765
suse medium — https://www.suse.com/security/cve/CVE-2013-2765/
ubuntu medium CVE-2013-2765 medium priority: Ubuntu including 1 source packages (modsecurity-apache), 8 status rows across 8 suites (lucid, precise, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 5, DNE 1, ignored 1, released 1. https://ubuntu.com/security/CVE-2013-2765

Affected software / configurations for CVE-2013-2765

Vendor Product Version Raw CPE
trustwave modsecurity < 2.7.4 cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:*
opensuse opensuse 11.4 cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
opensuse opensuse 12.2 cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*

References for CVE-2013-2765

URL Tags
http://archives.neohapsis.com/archives/bugtraq/2013-05/0125.html Broken Link
http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html Mailing List Third Party Advisory
http://sourceforge.net/mailarchive/message.php?msg_id=30900019 Third Party Advisory
http://www.modsecurity.org/ Vendor Advisory
http://www.shookalabs.com/ Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=967615 Issue Tracking Patch Third Party Advisory
https://github.com/SpiderLabs/ModSecurity/commit/0840b13612a0b7ef1ce7441cf811dcfc6b463fba Patch Third Party Advisory
https://github.com/shookalabs/exploits/blob/master/modsecurity_cve_2013_2765_check.py Exploit Third Party Advisory
https://raw.github.com/SpiderLabs/ModSecurity/master/CHANGES Broken Link
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