CVE-2009-1929
CVE-2009-1929 is a critical-severity vulnerability in Microsoft Windows 2003 Server with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 35% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Microsoft Windows 2003 Server
- Published:
- Last modified:
Description
Heap-based buffer overflow in the Microsoft Terminal Services Client ActiveX control running RDP 6.1 on Windows XP SP2, Vista SP1 or SP2, or Server 2008 Gold or SP2; or 5.2 or 6.1 on Windows XP SP3; allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Remote Desktop Connection ActiveX Control Heap Overflow Vulnerability."
Frequently asked questions
- What is CVE-2009-1929?
- Heap-based buffer overflow in the Microsoft Terminal Services Client ActiveX control running RDP 6.1 on Windows XP SP2, Vista SP1 or SP2, or Server 2008 Gold or SP2; or 5.2 or 6.1 on Windows XP SP3; allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Remote Desktop Connection ActiveX Control Heap Overflow Vulnerability."
- How severe is CVE-2009-1929?
- CVE-2009-1929 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2009-1929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-1929?
- CVE-2009-1929 primarily affects Microsoft Windows 2003 Server. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-1929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2009-1929 published?
- CVE-2009-1929 was published on 2009-08-12 and last updated on 2026-06-16.
References
- http://osvdb.org/56912
- http://secunia.com/advisories/36229
- http://www.securityfocus.com/bid/35973
- http://www.securitytracker.com/id?1022709
- http://www.us-cert.gov/cas/techalerts/TA09-223A.html
- http://www.vupen.com/english/advisories/2009/2238
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-044
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6329
Affected products (15)
- cpe:2.3:o:microsoft:windows_2003_server:sp2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:sp2:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2003_server:sp2:*:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:-:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:-:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:-:-:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*
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