CVE-2005-1979Windows 2000 Vulnerability
Distributed Transaction Controller in Microsoft Windows allows remote servers to cause a denial of service (MSDTC service exception and exit) via an "unexpected protocol command during the reconnection request," which is not properly handled by the Transaction Internet Protocol…
Published Oct 12, 2005 · Updated Apr 15, 2026
Key Facts
Routine patching- CVE-2005-1979 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Windows 2000 (Microsoft), Windows 2003 Server (Microsoft), Windows Xp (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 33% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS (30-day exploit likelihood)
33%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Distributed Transaction Controller in Microsoft Windows allows remote servers to cause a denial of service (MSDTC service exception and exit) via an "unexpected protocol command during the reconnection request," which is not properly handled by the Transaction Internet Protocol (TIP) functionality.
Affected Products
9 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 2000Microsoft | See advisory | n/a |
| Windows 2003 ServerMicrosoft | 64-bit, itanium, r2, sp1 | n/a |
| Windows XpMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Oct 12, 2005
Last updated
Apr 15, 2026
References
- advisory20051011 Microsoft Distributed Transaction Controller TIP DoS Vulnerability
- exploitExploitDB-1352
- exploitExploitDB-26341
- otherMS05-051
- other17161
FAQ
Common Questions.
Distributed Transaction Controller in Microsoft Windows allows remote servers to cause a denial of service (MSDTC service exception and exit) via an "unexpected protocol command during the reconnection request," which is not properly handled by the Transaction Internet Protocol (TIP) functionality.
Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions 64-bit, itanium, r2, sp1; Windows Xp (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
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