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Fencer Vulns
critical 10.0

CVE-2001-0241 in the critical feed json

Buffer overflow in Internet Printing ISAPI extension in Windows 2000 allows remote attackers to gain root privileges via a long print reque…

published 2001-06-27 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0241

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
85.7%
EPSS 85.7% chance of exploitation in 30 days, percentile 99.7%
public exploits
8
Metasploit, Exploit-DB

Summary

Buffer overflow in Internet Printing ISAPI extension in Windows 2000 allows remote attackers to gain root privileges via a long print request that is passed to the extension through IIS 5.0.

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/windows/iis/ms01_023_printer)
  2. Published

Exploit prediction

85.70% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/iis/ms01_023_printer MS01-023 Microsoft IIS 5.0 Printer Host Header Overflow metasploit exploit, good rank, 2001-05-01
  • EDB-20818 Microsoft IIS 5.0 - '.printer' ISAPI Extension Buffer Overflow (4) remote, 2001-05-01
  • EDB-20817 Microsoft IIS 5.0 - '.printer' ISAPI Extension Buffer Overflow (3) remote, 2005-02-02
  • EDB-20816 Microsoft IIS 5.0 - '.printer' ISAPI Extension Buffer Overflow (2) remote, 2001-05-01
  • EDB-20815 Microsoft IIS 5.0 - '.printer' ISAPI Extension Buffer Overflow (1) remote, 2001-05-01
  • EDB-16469 Microsoft IIS 5.0 - Printer Host Header Overflow (MS01-023) (Metasploit) remote, 2010-04-30
  • EDB-268 Microsoft Windows Server 2000 SP1/SP2 - isapi .printer Extension Overflow (2) remote, 2001-05-08
  • EDB-266 Microsoft Windows Server 2000 SP1/SP2 - isapi .printer Extension Overflow (1) remote, 2001-05-07
  • securityfocus.com http://www.securityfocus.com/bid/2674 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.