What’s Vulnerable › Vulnerabilities

CVE-2007-4991

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-09-21 · updated 2026-06-16
• Weakness: CWE-200

Description

The SOCKS4 Proxy in Microsoft Internet Security and Acceleration (ISA) Server 2004 SP1 and SP2 allows remote attackers to obtain potentially sensitive information (the destination IP address of another user's session) via an empty packet.

Affected products

• Microsoft Isa Server: 2004-sp1, 2004-sp2

References

• http://osvdb.org/45906
• http://www.securityfocus.com/bid/25753
• http://www.securitytracker.com/id?1018727
• http://www.zerodayinitiative.com/advisories/ZDI-07-053.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/36715
• http://osvdb.org/45906
• http://www.securityfocus.com/bid/25753
• http://www.securitytracker.com/id?1018727
• http://www.zerodayinitiative.com/advisories/ZDI-07-053.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/36715

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