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CVE-2009-4193

12
FAUCET Score

CVE-2009-4193 describes a local privilege escalation vulnerability in Merkaartor 0.14. An attacker can exploit this by creating a symbolic link to an arbitrary file, causing the application to append data to it via the /tmp/merkaartor.log temporary file. This vulnerability has a low CVSS score of 3.3, indicating low impact (partial integrity and availability) and requiring local access with medium attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.14CPE matchmatch criteria
cpe:2.3:a:merkaartor:merkaartor:0.14:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.3LOW

AV:L/AC:M/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 34th percentile among its peer group of 747 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-4193Low

Merkaartor: System files integrity break-out via symlink attack on log file

Sep 27, 2009

References

bugs.debian.org / cgi-bin/bugreport.cgi
osvdb.org / 58389
secunia.com / advisories/36897
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53486
redhat.com / archives/fedora-package-announce/2009-December/msg00869.html
redhat.com / archives/fedora-package-announce/2009-December/msg00870.html
trac.openstreetmap.org / ticket/2320
securityfocus.com / bid/36529
Patch