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CVE-2001-0341Frontpage Server Extensions Vulnerability

Buffer overflow in Microsoft Visual Studio RAD Support sub-component of FrontPage Server Extensions allows remote attackers to execute arbitrary commands via a long registration request (URL) to fp30reg.dll.

Published Jul 21, 2001 · Updated Apr 15, 2026

Key Facts

Patch immediately
  • CVE-2001-0341 is a high-severity vulnerability (CVSS 7.5 v2) affecting Frontpage Server Extensions (Microsoft), Windows 2000 (Microsoft), Windows Nt (Microsoft).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 30% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

30%

Higher than 98.2% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

37/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

2

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Advisories And Exploit References

Description

Buffer overflow in Microsoft Visual Studio RAD Support sub-component of FrontPage Server Extensions allows remote attackers to execute arbitrary commands via a long registration request (URL) to fp30reg.dll.

Affected Products

35 affected entries in total
ProductAffected versionsFixed in
Frontpage Server ExtensionsMicrosoft2000n/a
Windows 2000MicrosoftSee advisoryn/a
Windows NtMicrosoft4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5, 4.0-sp6a, 4.0-sp6n/a

Timeline

  1. Publicly disclosed

    Jul 21, 2001

  2. Last updated

    Apr 15, 2026

References

2 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2001-0341 On Your Attack Surface?

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Figures as of Oct 20, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.