Which products and versions are affected by CVE-2001-0098?

Affected: Weblogic Server (Bea). The full list is in the CVE brief.

Is CVE-2001-0098 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2001-0098 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2001-0098?

Public exploit code is available.

Is there a fix for CVE-2001-0098?

Fixed versions are available, including Weblogic Server 4.5.2.

How urgently should CVE-2001-0098 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2001-0098

CriticalPublic exploit

Buffer overflow in Bea WebLogic Server before 5.1.0 allows remote attackers to execute arbitrary commands via a long URL that begins with a ".." string.

Published Feb 12, 2001 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2001-0098 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Weblogic Server (Bea).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 78% probability of exploitation in the next 30 days.
Fixed versions are available, including Weblogic Server 4.5.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

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

EPSS (30-day exploit likelihood)

78%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2001-0098 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Buffer overflow in Bea WebLogic Server before 5.1.0 allows remote attackers to execute arbitrary commands via a long URL that begins with a ".." string.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Weblogic ServerBea	See advisory	4.5.2

Patched Releases

Weblogic Server

4.5.2

Timeline

Publicly disclosed
Feb 12, 2001
Last updated
Apr 15, 2026

References

patch20001219 def-2000-04: Bea WebLogic Server dotdot-overflow
patch2138
exploitExploitDB-20516
otherweblogic-dot-bo(5782)

FAQ

Common Questions.

Buffer overflow in Bea WebLogic Server before 5.1.0 allows remote attackers to execute arbitrary commands via a long URL that begins with a ".." string.
Affected: Weblogic Server (Bea). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Weblogic Server 4.5.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2001-0098 Running On Your Attack Surface?

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