Microsoft Proxy Server 2.0 and Microsoft ISA Server 2000 (which is included in Small Business Server 2000 and Small Business Server 2003 Premium Edition) allows remote attackers to spoof trusted Internet content on a specially crafted webpage via spoofed reverse DNS lookup results.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4859
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4264
https://exchange.xforce.ibmcloud.com/vulnerabilities/17906
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-039