7.8

CVE-2009-0843: osgeo mapserver Improper Input Validation

CVSS: 7.8v2.0HighModified
AliasesDEBIAN-CVE-2009-0843
Published 31-03-2009Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2009-0843 is a high (CVSS 7.8) Improper Input Validation vulnerability in osgeo mapserver. EPSS estimates a 3.13% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
3.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DSA-1914-1

Timeline

  1. 31-03-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The msLoadQuery function in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to determine the existence of arbitrary files via a full pathname in the queryfile parameter, which triggers different error messages depending on whether this pathname exists.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.13%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mapserver< 5.2.2-1
Osgeo1 product
  • mapserver4.2.0:beta1 | 4.4.0 | 4.4.0:beta1 | 4.4.0:beta2 | 4.4.0:beta3 | 4.6.0 | 4.6.0:beta1 | 4.6.0:beta2 | 4.6.0:beta3 | 4.6.0:rc1 | 4.8.0:beta1 | 4.8.0:beta2 | 4.8.0:beta3 | 4.8.0:rc1 | 4.8.0:rc2 | 4.10.0 | 4.10.0:beta1 | 4.10.0:beta2 | 4.10.0:beta3 | 4.10.0:rc1 | 4.10.1 | 4.10.2 | 4.10.3 | 5.0.0 | 5.0.0:beta1 | 5.0.0:beta2 | 5.0.0:beta3 | 5.0.0:beta4 | 5.0.0:beta5 | 5.0.0:beta6 | 5.0.0:rc1 | 5.0.0:rc2 | 5.2.0 | 5.2.0:beta1 | 5.2.0:beta2 | 5.2.0:beta3 | 5.2.0:beta4 | 5.2.0:rc1 | 5.2.1
Umn1 product

3 vendors · 3 products

References

12 links
Show all 12 references