CVE-2001-1533

MEDIUM

Microsoft ISA Server 2000 - Denial of Service via UDP Fragment Flood

Title source: llm

Description

Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service via a flood of fragmented UDP packets. NOTE: the vendor disputes this issue, saying that it requires high bandwidth to exploit, and the server does not experience any instability. Therefore this "laws of physics" issue might not be included in CVE

References (4)

Core 4

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/3501

Various Sources mailing-list x_refsource_bugtraq

http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00031.html

Various Sources mailing-list x_refsource_bugtraq

http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00018.html

Third Party Advisory vdb-entry x_refsource_xf

http://www.iss.net/security_center/static/7446.php

Scores

CVSS v3 5.3

EPSS 0.1801

EPSS Percentile 96.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

Status published

Products (1)

microsoft/isa_server 2000

Published Dec 31, 2001

Tracked Since Feb 18, 2026