CVE & CISA-KEV CatalogNVD
CVE-2009-1902
MEDIUMEPSS 96th pctl5.0
CVSS v2
Description
The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
13.73%probability of exploitation in 30 days
96thpercentile
Very high risk: more likely to be exploited than 96% of all known CVEs.
References
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
- http://secunia.com/advisories/34256
- http://secunia.com/advisories/34311
- http://secunia.com/advisories/35687
- http://security.gentoo.org/glsa/glsa-200907-02.xml
- http://sourceforge.net/project/shownotes.php?release_id=667542&group_id=68846
- http://www.osvdb.org/52553
- http://www.securityfocus.com/archive/1/501968
- http://www.securityfocus.com/bid/34096
- http://www.vupen.com/english/advisories/2009/0703
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49212
- https://www.exploit-db.com/exploits/8241
- https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00487.html
- https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00529.html
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.