Which products and versions are affected by CVE-2005-0045?

Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions enterprise, enterprise_64-bit, r2, standard, web; Windows Nt (Microsoft) versions 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5, 4.0-sp6a, among others. The full list is in the CVE brief.

Is CVE-2005-0045 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2005-0045 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2005-0045?

Public exploit code is available.

Is there a fix for CVE-2005-0045?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2005-0045 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2005-0045

HighPublic exploit

Published May 2, 2005 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2005-0045 is a high-severity vulnerability (CVSS 7.5 v2) affecting Windows 2000 (Microsoft), Windows 2003 Server (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 70% 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

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

70%

Higher than 99.3% 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-2005-0045 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

The Server Message Block (SMB) implementation for Windows NT 4.0, 2000, XP, and Server 2003 does not properly validate certain SMB packets, which allows remote attackers to execute arbitrary code via Transaction responses containing (1) Trans or (2) Trans2 commands, aka the "Server Message Block Vulnerability," and as demonstrated using Trans2 FIND_FIRST2 responses with large file name length fields.

Affected Products

49 affected entries in total

Product	Affected versions	Fixed in
Windows 2000Microsoft	See advisory	n/a
Windows 2003 ServerMicrosoft	enterprise, enterprise_64-bit, r2, standard, web	n/a
Windows NtMicrosoft	4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5, 4.0-sp6a	n/a
Windows XpMicrosoft	See advisory	n/a

Timeline

Publicly disclosed
May 2, 2005
Last updated
Apr 15, 2026

References

8 more references in the full CVE brief

FAQ

Common Questions.

The Server Message Block (SMB) implementation for Windows NT 4.0, 2000, XP, and Server 2003 does not properly validate certain SMB packets, which allows remote attackers to execute arbitrary code via Transaction responses containing (1) Trans or (2) Trans2 commands, aka the "Server Message Block Vulnerability," and as…
Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions enterprise, enterprise_64-bit, r2, standard, web; Windows Nt (Microsoft) versions 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5, 4.0-sp6a, 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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