CVE-2005-2120
Stack-based buffer overflow in the Plug and Play (PnP) service (UMPNPMGR.DLL) in Microsoft Windows 2000 SP4, and XP SP1 and SP2, allows…
- 6.5MediumCVSS base score
- 62.0%Exploitation in 30 daysEPSS · top 0.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it.
Show the exploits3
Metasploit modules1 module
- Microsoft Plug and Play Service Registry Overflow (Metasploit module) (opens in a new tab)
auxiliary/dos/windows/smb/ms05_047_pnpRank normal
Exploit-DB2 entries
- Microsoft Windows Plug-and-Play - 'Umpnpmgr.dll' Denial of Service (MS05-047) (2) (Exploit-DB entry) (opens in a new tab)
EDB-ID 1271dos, windowspublished 24 Oct 2005Verified
- Microsoft Windows Plug-and-Play - 'Umpnpmgr.dll' Denial of Service (MS05-047) (1) (Exploit-DB entry) (opens in a new tab)
EDB-ID 1269dos, windowspublished 21 Oct 2005Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 3 months later
· 3 months later
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 62.0% · top 0.8% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
n/a
- affected n/a
References
15
- 15065 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 17166 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MS05-047 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- http://support.avaya.com/elmodocs2/security/ASA-2005-214.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- 17223 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:1244 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 1015042 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- AD20051011c (opens in a new tab)third-party-advisoryx_refsource_EEYEx_transferred
- 71 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 18830 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 17172 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- VU#214572 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- oval:org.mitre.oval:def:1328 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- oval:org.mitre.oval:def:1519 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- TA05-284A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2005-2121 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-2120)Record last updated .