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CVE-2009-2544

29
FAUCET Score

CVE-2009-2544 describes a directory traversal vulnerability in Marcelo Costa FileServer component 1.0, used with Microsoft Windows Live Messenger and Messenger Plus! Live. This flaw allows authenticated remote attackers to list arbitrary directories and read arbitrary files by injecting “..” sequences into pathnames. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring authentication but having low attack complexity, potentially leading to full confidentiality compromise. While not listed in CISA KEV, exploit code is publicly available via ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:marcelo_costa:fileserver:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:L/Au:S/C:C/I:N/A:N

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.43%
Probability of exploitation in next 30 days
EPSS Percentile
87.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-9093 · Jul 9, 2009
This CVE's current EPSS score of 0.0343 is in the 96th percentile among its peer group of 21,939 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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

Remediation records are not available for this CVE.

References

exploit-db.com / exploits/9093