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Vulnerability record · CVE-2005-1907 · published 31 May 2005

CVE-2005-1907: Microsoft isa server vulnerability

Microsoft · Isa Server

The ISA Firewall service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (Wspsrv.exe crash) via a large amount of SecureNAT network traffic.

5.0 CVSS 2.0 Medium EPSS 19% · top 2.7%
5.0CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

The ISA Firewall service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (Wspsrv.exe crash) via a large amount of SecureNAT network traffic.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securitytracker.com/id?1014113
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B894864
http://www.networksecurity.fi/advisories/windows-isa-firewall.html
http://www.niscc.gov.uk/niscc/docs/br-20050602-00456.html?lang=en
http://www.osvdb.org/17031
http://www.securityfocus.com/bid/13846
http://securitytracker.com/id?1014113
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B894864
http://www.networksecurity.fi/advisories/windows-isa-firewall.html
http://www.niscc.gov.uk/niscc/docs/br-20050602-00456.html?lang=en
http://www.osvdb.org/17031
http://www.securityfocus.com/bid/13846

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2005-1907), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.