CVE-2001-1533

medium Microsoft
CVSS v3 Base Score
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
26.9%
Exploitation probability in 30 days
Top 4% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Published: December 31, 2001 (8900 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

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

CWE

NVD-CWE-Other

Affected Products

microsoft isa server

References

🔗 cert.uni-stuttgart.de 🔗 cert.uni-stuttgart.de 🔗 www.iss.net 🔗 www.securityfocus.com 🔗 cert.uni-stuttgart.de