CVE-2001-0239

Microsoft ISA Server 2000 Web Proxy - Denial of Service

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Microsoft Internet Security and Acceleration (ISA) Server 2000 Web Proxy allows remote attackers to cause a denial of service via a long web request with a specific type.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2001-03-19 CVE Reserved
2001-04-16 First Exploit
2001-07-02 CVE Published
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (8)

URL	Tag	Source
http://www.ciac.org/ciac/bulletins/l-073.shtml	Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/6383	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/20763	2001-04-16
http://www.securityfocus.com/archive/1/176912	2024-08-08
http://www.securityfocus.com/archive/1/179986	2024-08-08
http://www.securityfocus.com/bid/2600	2024-08-08

URL	Date	SRC

URL	Date	SRC
http://www.securityfocus.com/archive/1/177160	2018-10-12
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-021	2018-10-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Isa Server Search vendor "Microsoft" for product "Isa Server"				2000 Search vendor "Microsoft" for product "Isa Server" and version "2000"		-		Affected