CVE-2009-0841

Exp

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.

Published: 2009-03-31 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0841 is rated High Exploit Risk (79.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.79%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-0841

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0841

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.98% 0.79% -0.20%
2 2025-03-29 0.81% 0.98% +0.18%
3 2025-03-17 — 0.81% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0841

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2009-0841

OS Trackers for CVE-2009-0841

vendor priority summary link
debian not yet assigned CVE-2009-0841 not yet assigned priority: Debian including 1 source packages (mapserver), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-0841
redhat — — https://access.redhat.com/security/cve/CVE-2009-0841
ubuntu medium CVE-2009-0841 medium priority: Ubuntu including 1 source packages (mapserver), 7 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 3, ignored 2, needs-triage 1, not-affected 1. https://ubuntu.com/security/CVE-2009-0841

Affected software / configurations for CVE-2009-0841

Vendor Product Version Raw CPE
osgeo mapserver 4.2.0 cpe:2.3:a:osgeo:mapserver:4.2.0:beta1:*:*:*:*:*:*
osgeo mapserver 4.4.0 cpe:2.3:a:osgeo:mapserver:4.4.0:*:*:*:*:*:*:*
osgeo mapserver 4.4.0 cpe:2.3:a:osgeo:mapserver:4.4.0:beta1:*:*:*:*:*:*
osgeo mapserver 4.4.0 cpe:2.3:a:osgeo:mapserver:4.4.0:beta2:*:*:*:*:*:*
osgeo mapserver 4.4.0 cpe:2.3:a:osgeo:mapserver:4.4.0:beta3:*:*:*:*:*:*
osgeo mapserver 4.6.0 cpe:2.3:a:osgeo:mapserver:4.6.0:*:*:*:*:*:*:*
osgeo mapserver 4.6.0 cpe:2.3:a:osgeo:mapserver:4.6.0:beta1:*:*:*:*:*:*
osgeo mapserver 4.6.0 cpe:2.3:a:osgeo:mapserver:4.6.0:beta2:*:*:*:*:*:*
osgeo mapserver 4.6.0 cpe:2.3:a:osgeo:mapserver:4.6.0:beta3:*:*:*:*:*:*
osgeo mapserver 4.6.0 cpe:2.3:a:osgeo:mapserver:4.6.0:rc1:*:*:*:*:*:*
osgeo mapserver 4.8.0 cpe:2.3:a:osgeo:mapserver:4.8.0:beta1:*:*:*:*:*:*
osgeo mapserver 4.8.0 cpe:2.3:a:osgeo:mapserver:4.8.0:beta2:*:*:*:*:*:*
osgeo mapserver 4.8.0 cpe:2.3:a:osgeo:mapserver:4.8.0:beta3:*:*:*:*:*:*
osgeo mapserver 4.8.0 cpe:2.3:a:osgeo:mapserver:4.8.0:rc1:*:*:*:*:*:*
osgeo mapserver 4.8.0 cpe:2.3:a:osgeo:mapserver:4.8.0:rc2:*:*:*:*:*:*
osgeo mapserver 4.10.0 cpe:2.3:a:osgeo:mapserver:4.10.0:*:*:*:*:*:*:*
osgeo mapserver 4.10.0 cpe:2.3:a:osgeo:mapserver:4.10.0:beta1:*:*:*:*:*:*
osgeo mapserver 4.10.0 cpe:2.3:a:osgeo:mapserver:4.10.0:beta2:*:*:*:*:*:*
osgeo mapserver 4.10.0 cpe:2.3:a:osgeo:mapserver:4.10.0:beta3:*:*:*:*:*:*
osgeo mapserver 4.10.0 cpe:2.3:a:osgeo:mapserver:4.10.0:rc1:*:*:*:*:*:*
osgeo mapserver 4.10.1 cpe:2.3:a:osgeo:mapserver:4.10.1:*:*:*:*:*:*:*
osgeo mapserver 4.10.2 cpe:2.3:a:osgeo:mapserver:4.10.2:*:*:*:*:*:*:*
osgeo mapserver 4.10.3 cpe:2.3:a:osgeo:mapserver:4.10.3:*:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:*:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:beta1:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:beta2:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:beta3:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:beta4:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:beta5:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:beta6:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:rc1:*:*:*:*:*:*
osgeo mapserver 5.0.0 cpe:2.3:a:osgeo:mapserver:5.0.0:rc2:*:*:*:*:*:*
osgeo mapserver 5.2.0 cpe:2.3:a:osgeo:mapserver:5.2.0:*:*:*:*:*:*:*
osgeo mapserver 5.2.0 cpe:2.3:a:osgeo:mapserver:5.2.0:beta1:*:*:*:*:*:*
osgeo mapserver 5.2.0 cpe:2.3:a:osgeo:mapserver:5.2.0:beta2:*:*:*:*:*:*
osgeo mapserver 5.2.0 cpe:2.3:a:osgeo:mapserver:5.2.0:beta3:*:*:*:*:*:*
osgeo mapserver 5.2.0 cpe:2.3:a:osgeo:mapserver:5.2.0:beta4:*:*:*:*:*:*
osgeo mapserver 5.2.0 cpe:2.3:a:osgeo:mapserver:5.2.0:rc1:*:*:*:*:*:*
osgeo mapserver 5.2.1 cpe:2.3:a:osgeo:mapserver:5.2.1:*:*:*:*:*:*:*
umn mapserver 4.0 cpe:2.3:a:umn:mapserver:4.0:*:*:*:*:*:*:*
umn mapserver 4.0 cpe:2.3:a:umn:mapserver:4.0:beta1:*:*:*:*:*:*
umn mapserver 4.0 cpe:2.3:a:umn:mapserver:4.0:beta2:*:*:*:*:*:*

References for CVE-2009-0841

cvelogic Threat Intelligence