How severe is CVE-2009-2544?

CVE-2009-2544 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-2544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2544?

CVE-2009-2544 affects Marcelo Costa Fileserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-2544 published?

CVE-2009-2544 was published on 2009-07-20 and last updated on 2026-06-16.

CVE-2009-2544

CVE-2009-2544 is a medium-severity vulnerability in Marcelo Costa Fileserver with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Marcelo Costa Fileserver
Published: 2009-07-20
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2009-2544?: 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.
How severe is CVE-2009-2544?: CVE-2009-2544 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-2544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2544?: CVE-2009-2544 affects Marcelo Costa Fileserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2544 published?: CVE-2009-2544 was published on 2009-07-20 and last updated on 2026-06-16.

References

http://www.exploit-db.com/exploits/9093

Affected products (1)

cpe:2.3:a:marcelo_costa:fileserver:1.0:*:*:*:*:*:*:*

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