CVE-2011-2704

Stack-based buffer overflow in MapServer before 4.10.7 and 5.x before 5.6.7 allows remote attackers to execute arbitrary code via vectors related to OGC filter encoding.

Published: 2011-08-01 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2704 is rated Moderate Risk (59.6/100): CVSS High severity, with high exploitation likelihood (EPSS 5.22%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2011-2704

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 2026-06-15 7.65% 5.22% -2.43%
2 2026-01-31 6.40% 7.65% +1.25%
3 2025-03-30 — 6.40% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2704

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-2704

OS Trackers for CVE-2011-2704

vendor priority summary link
debian not yet assigned CVE-2011-2704 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-2011-2704
ubuntu medium CVE-2011-2704 medium priority: Ubuntu including 1 source packages (mapserver), 5 status rows across 5 suites (hardy, lucid, maverick, natty, upstream): released 4, needs-triage 1. https://ubuntu.com/security/CVE-2011-2704

Affected software / configurations for CVE-2011-2704

Vendor Product Version Raw CPE
osgeo mapserver <= 4.10.6 cpe:2.3:a:osgeo:mapserver:*:*:*:*:*:*:*:*
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 4.10.4 cpe:2.3:a:osgeo:mapserver:4.10.4:*:*:*:*:*:*:*
osgeo mapserver 4.10.5 cpe:2.3:a:osgeo:mapserver:4.10.5:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:*:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:beta1:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:beta2:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:beta3:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:beta4:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:rc1:*:*:*:*:*:*
osgeo mapserver 5.4.0 cpe:2.3:a:osgeo:mapserver:5.4.0:rc2:*:*:*:*:*:*
osgeo mapserver 5.4.1 cpe:2.3:a:osgeo:mapserver:5.4.1:*:*:*:*:*:*:*
osgeo mapserver 5.4.2 cpe:2.3:a:osgeo:mapserver:5.4.2:*:*:*:*:*:*:*
osgeo mapserver 5.6.0 cpe:2.3:a:osgeo:mapserver:5.6.0:*:*:*:*:*:*:*
osgeo mapserver 5.6.1 cpe:2.3:a:osgeo:mapserver:5.6.1:*:*:*:*:*:*:*
osgeo mapserver 5.6.3 cpe:2.3:a:osgeo:mapserver:5.6.3:*:*:*:*:*:*:*
umn mapserver 5.2.2 cpe:2.3:a:umn:mapserver:5.2.2:*:*:*:*:*:*:*
umn mapserver 5.2.3 cpe:2.3:a:umn:mapserver:5.2.3:*:*:*:*:*:*:*
umn mapserver 5.6.4 cpe:2.3:a:umn:mapserver:5.6.4:*:*:*:*:*:*:*
umn mapserver 5.6.5 cpe:2.3:a:umn:mapserver:5.6.5:*:*:*:*:*:*:*
umn mapserver 5.6.6 cpe:2.3:a:umn:mapserver:5.6.6:*:*:*:*:*:*:*

References for CVE-2011-2704

cvelogic Threat Intelligence