SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2005-0045

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)…

EXPLOIT ✓HIGH 7.5EPSS 70.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 70.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
70.28% probability · 99th percentile
Public exploits
1 in Exploit-DB · verified · first 23 June 2005
CISA KEV
Not listed
Affected
microsoft/windows 2000 · microsoft/windows 2003 server · microsoft/windows nt · microsoft/windows xp
Source
cve@mitre.org
EPSS trend
0%38%75%26 October 2026: 70.28%26 October 202626 October 2026

EPSS 70.3% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-1065source ↗Microsoft Windows - 'SMB' Transaction Response Handling (MS05-011)windows · cybertronicdos23 June 2005yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.