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Fencer Vulns
high 7.5

CVE-2003-0812 in the critical feed json

Stack-based buffer overflow in a logging function for Windows Workstation Service (WKSSVC.DLL) allows remote attackers to execute arbitrary…

published 2003-11-18 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0803

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
82.1%
EPSS 82.1% chance of exploitation in 30 days, percentile 99.6%
public exploits
5
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in a logging function for Windows Workstation Service (WKSSVC.DLL) allows remote attackers to execute arbitrary code via RPC calls that cause long entries to be written to a debug log file ("NetSetup.LOG"), as demonstrated using the NetAddAlternateComputerName API.

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/windows/smb/ms03_049_netapi)
  2. Published

Exploit prediction

82.06% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/smb/ms03_049_netapi MS03-049 Microsoft Workstation Service NetAddAlternateComputerName Overflow metasploit exploit, good rank, 2003-11-11
  • EDB-16378 Microsoft Workstation Service - NetAddAlternateComputerName Overflow (MS03-049) (Metasploit) remote, 2010-05-09
  • EDB-130 Microsoft Windows XP - Workstation Service Remote (MS03-049) remote, 2003-12-04
  • EDB-123 Microsoft Windows - Workstation Service WKSSVC Remote (MS03-049) remote, 2003-11-14
  • EDB-119 Microsoft Windows XP/2000 - Workstation Service Overflow (MS03-049) remote, 2003-11-12
  • securityfocus.com http://www.securityfocus.com/bid/9011 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.