CVE-2009-5031
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files,...
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
Exploit likelihood
What each source reports
NVD Score used
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
- Record
CVE-2009-5031- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
- Record
CVE-2009-5031- Updated
- 2026-11-02
EUVDEUVD-2009-4989 No score
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
- Record
EUVD-2009-4989- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rcvp-p5h6-67hw No score
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files,...
ModSecurity before 2.5.11 treats request parameter values containing single quotes as files, which allows remote attackers to bypass filtering rules and perform other attacks such as cross-site scripting (XSS) attacks via a single quote in a request parameter in the Content-Disposition field of a request with a multipart/form-data Content-Type header.
- Record
GHSA-rcvp-p5h6-67hw- Weakness
- CWE-79
- 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apache2-mod_security2openSUSE:Tumbleweed From an advisory covering 5 CVEs |
before 2.9.0-5.6 | 2.9.0-5.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-5031 is a medium vulnerability (CVSS 4.3) in Trustwave Modsecurity, published July 22, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.93%, the 87th percentile. No source names a fixed version.
References
lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
securityfocus.com/bid/54156
suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf
mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.6.x/CHANGES
blog.ivanristic.com/2012/06/modsecurity-and-modsecurity-core-rule-set-multipart-bypasses.html
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openwall.com/lists/oss-security/2012/06/22/2
secunia.com/advisories/49576
modsecurity.org/fisheye/browse/modsecurity/m2/branches/2.5.x/apache2/msc_multipart.c?r2=1419&r1=1366
nvd.nist.gov/vuln/detail/CVE-2009-5031
github.com/advisories/GHSA-rcvp-p5h6-67hw
suse.com/security/cve/CVE-2009-5031