CVE-2012-4528
The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to...
CVE-2012-4528 is a medium vulnerability (CVSS 5.0) in Fedoraproject Fedora, published December 28, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.4%, the 96th percentile. Fixed in modsecurity-apache 2.6.6-5.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-4528- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-4528- Updated
- 2026-11-02
EUVDEUVD-2012-4456 No score
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.
- Record
EUVD-2012-4456- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v835-w774-qhww No score
The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to...
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.
- Record
GHSA-v835-w774-qhww- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2012-4528- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-4528 No score
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.
- Record
DEBIAN-CVE-2012-4528- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10034-1 No score
apache2-mod_security2-2.9.0-5.6 on GA media
These are all security issues fixed in the apache2-mod_security2-2.9.0-5.6 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10034-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2012-4528 No score
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.
- Record
UBUNTU-CVE-2012-4528- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
modsecurity-apacheDebian:12 |
before 2.6.6-5 | 2.6.6-5 |
modsecurity-apacheDebian:13 |
before 2.6.6-5 | 2.6.6-5 |
modsecurity-apacheDebian:14 |
before 2.6.6-5 | 2.6.6-5 |
apache2-mod_security2openSUSE:Tumbleweed |
before 2.9.0-5.6 | 2.9.0-5.6 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ModSecurity - 'POST' Security Bypass | 2012-10-17 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
References
lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txt
mod-security.svn.sourceforge.net/viewvc/mod-security?view=revision&sortby=date&revision=2081
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seclists.org/fulldisclosure/2012/Oct/113
lists.fedoraproject.org/pipermail/package-announce/2012-November/093011.html
openwall.com/lists/oss-security/2012/10/18/14
nvd.nist.gov/vuln/detail/CVE-2012-4528
github.com/advisories/GHSA-v835-w774-qhww
security-tracker.debian.org/tracker/CVE-2012-4528
ubuntu.com/security/CVE-2012-4528
cve.org/CVERecord?id=CVE-2012-4528
suse.com/security/cve/CVE-2009-5031