CVE-2004-0574
CriticalPublic exploitThe Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper…
Published Nov 3, 2004 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2004-0574 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Exchange Server (Microsoft), Windows 2000 (Microsoft), Windows Nt (Microsoft) and 1 more product.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 64% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
64%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2004-0574 brief as a PDF
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Description
The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper length validation and an "unchecked buffer," leading to off-by-one and heap-based buffer overflows.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Exchange ServerMicrosoft | 2000, 2003 | n/a |
| Windows 2000Microsoft | See advisory | n/a |
| Windows NtMicrosoft | 4.0 | n/a |
| Windows Server 2003Microsoft | r2 | n/a |
Timeline
Publicly disclosed
Nov 3, 2004
Last updated
Apr 15, 2026
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisory20041012 CORE-2004-0802: IIS NNTP Service XPAT Command Vulnerabilities
- advisorywin-nntp-bo(17641)
- advisorywin-ms04036-patch(17661)
- advisoryoval:org.mitre.oval:def:246
- advisoryoval:org.mitre.oval:def:4392
FAQ
Common Questions.
The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper length validation and an "unchecked buffer,"…
Affected: Exchange Server (Microsoft) versions 2000, 2003; Windows 2000 (Microsoft); Windows Nt (Microsoft) versions 4.0, among others. 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: patch immediately, because it is very likely to be exploited soon.
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