CVE-2012-4528
The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 12.36% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 17 October 2012
- CISA KEV
- Not listed
- Affected
- trustwave/modsecurity · opensuse/opensuse · fedoraproject/fedora
- Source
- secalert@redhat.com
EPSS 12.4% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.htmlMailing List, Third Party Advisory
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.7.x/CHANGESBroken Link
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/apache2/msc_multipart.c?sortby=date&r1=2081&r2=2080&pathrev=2081Broken Link
- http://mod-security.svn.sourceforge.net/viewvc/mod-security?view=revision&sortby=date&revision=2081Broken Link
- http://seclists.org/fulldisclosure/2012/Oct/113Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/10/18/14Mailing List, Third Party Advisory
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txtThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.htmlMailing List, Third Party Advisory
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.7.x/CHANGESBroken Link
- http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/apache2/msc_multipart.c?sortby=date&r1=2081&r2=2080&pathrev=2081Broken Link
- http://mod-security.svn.sourceforge.net/viewvc/mod-security?view=revision&sortby=date&revision=2081Broken Link
- http://seclists.org/fulldisclosure/2012/Oct/113Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/10/18/14Mailing List, Third Party Advisory
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txtThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.