Directory traversal vulnerability in the Marcelo Costa FileServer component 1.0 for…
Priority LOW 36CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Complete · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Directory traversal vulnerability in the Marcelo Costa FileServer component 1.0 for Microsoft Windows Live Messenger and Messenger Plus! Live (MPL) allows remote authenticated users to list arbitrary directories and read arbitrary files via a .. (dot dot) in a pathname.
Why it matters now
EPSS 0.03433 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:messenger_plus\!_live:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:windows_live_messenger:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:marcelo_costa:fileserver:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Marcelo Costa |
- cpe:2.3:a:microsoft:messenger_plus\!_live:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:windows_live_messenger:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:marcelo_costa:fileserver:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Marcelo Costa
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2544
- 2026-10-03 Alias added: GHSA-54xq-gf73-9vx2
References
Exploit 1
Sources
- CVE-2009-2544 · CVE Program
- CVE-2009-2544 · NVD
- FIRST EPSS
- GHSA-54xq-gf73-9vx2 · GitHub Advisory Database · CC BY 4.0
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