CVE Tools
Sign in

CVE-2009-0841

Published: Mar 31, 2009Updated: Apr 23, 2026 Sources: CVE List NVDCWE-22
NVD MITRE
10.0CVSSCRITICAL
EPSS Score
5.3%
Top 8.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Directory traversal vulnerability in mapserv.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2, when running on Windows with Cygwin, allows remote attackers to create arbitrary files via a .. (dot dot) in the id parameter.

CVSS Vector Breakdown

AV:NAC:LAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

n/an/a
mapserverosgeo
Mixed
OSS Libraries / generic-library
mapserverumn
On-prem
Web & CMS Plugins / site-builder
osgeooss-projectOSS Librariesaka gdal, geoserver, mapserver
umnoss-projectWeb & CMS Pluginsaka mapserver

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

http://www.positronsecurity.com/advisories/2009-000.html
positronsecurity.com
http://www.securitytracker.com/id?1021952
securitytracker.com
http://www.securityfocus.com/archive/1/502271/100/0/threaded
securityfocus.com
and 9 more references View all →

Timeline

Published
Mar 31, 2009
Last Updated
Apr 23, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2009-0841 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows