How severe is CVE-2009-0244?

CVE-2009-0244 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2009-0244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0244?

CVE-2009-0244 primarily affects Microsoft Windows Mobile. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0244?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-0244 published?

CVE-2009-0244 was published on 2009-01-21 and last updated on 2026-06-16.

CVE-2009-0244

CVE-2009-0244 is a high-severity vulnerability in Microsoft Windows Mobile with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.5
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Microsoft Windows Mobile
Published: 2009-01-21
Last modified: 2026-06-16

Description

Directory traversal vulnerability in the OBEX FTP Service in the Microsoft Bluetooth stack in Windows Mobile 6 Professional, and probably Windows Mobile 5.0 for Pocket PC and 5.0 for Pocket PC Phone Edition, allows remote authenticated users to list arbitrary directories, and create or read arbitrary files, via a .. (dot dot) in a pathname. NOTE: this can be leveraged for code execution by writing to a Startup folder.

Frequently asked questions

What is CVE-2009-0244?: Directory traversal vulnerability in the OBEX FTP Service in the Microsoft Bluetooth stack in Windows Mobile 6 Professional, and probably Windows Mobile 5.0 for Pocket PC and 5.0 for Pocket PC Phone Edition, allows remote authenticated users to list arbitrary directories, and create or read arbitrary files, via a .. (dot dot) in a pathname. NOTE: this can be leveraged for code execution by writing to a Startup folder.
How severe is CVE-2009-0244?: CVE-2009-0244 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2009-0244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0244?: CVE-2009-0244 primarily affects Microsoft Windows Mobile. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0244?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-0244 published?: CVE-2009-0244 was published on 2009-01-21 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:o:microsoft:windows_mobile:5.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_mobile:5.0:*:pocket_pc:*:*:*:*:*
cpe:2.3:o:microsoft:windows_mobile:5.0:*:smartphone:*:*:*:*:*
cpe:2.3:o:microsoft:windows_mobile:6.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_mobile:6.0:*:pro:*:*:*:*:*
cpe:2.3:o:microsoft:windows_mobile:6.0:*:standard:*:*:*:*:*

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