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Fencer Vulns
medium 6.5

CVE-2005-2120 json

Stack-based buffer overflow in the Plug and Play (PnP) service (UMPNPMGR.DLL) in Microsoft Windows 2000 SP4, and XP SP1 and SP2, allows rem…

published 2005-10-13 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2121

cvss
6.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
62.0%
EPSS 62.0% chance of exploitation in 30 days, percentile 99.1%
public exploits
3
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in the Plug and Play (PnP) service (UMPNPMGR.DLL) in Microsoft Windows 2000 SP4, and XP SP1 and SP2, allows remote or local authenticated attackers to execute arbitrary code via a large number of "\" (backslash) characters in a registry key name, which triggers the overflow in a wsprintfW function call.

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-1269)

Exploit prediction

61.97% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit auxiliary/dos/windows/smb/ms05_047_pnp Microsoft Plug and Play Service Registry Overflow metasploit auxiliary, normal rank
  • EDB-1271 Microsoft Windows Plug-and-Play - 'Umpnpmgr.dll' Denial of Service (MS05-047) (2) dos, 2005-10-24
  • EDB-1269 Microsoft Windows Plug-and-Play - 'Umpnpmgr.dll' Denial of Service (MS05-047) (1) dos, 2005-10-21
  • securityfocus.com http://www.securityfocus.com/bid/15065 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.5 AV:N/AC:L/Au:S/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.