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CVE-2007-4991

The SOCKS4 Proxy in Microsoft Internet Security and Acceleration (ISA) Server 2004 SP1 and SP2...

5.0 Medium

CVE-2007-4991 is a medium vulnerability (CVSS 5.0) in Microsoft Isa Server, published September 21, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.1%, the 96th percentile. No source names a fixed version.

Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
16.1%EPSS, 96th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

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.

Exploit likelihood

16.1%Up 3.0 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used5.0

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.

Record
CVE-2007-4991
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2007-4991
Updated
2026-11-02
EUVDEUVD-2007-4972No score

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.

Record
EUVD-2007-4972
Updated
2026-11-03
GitHub AdvisoriesGHSA-x2hg-rgmp-3453No score

The SOCKS4 Proxy in Microsoft Internet Security and Acceleration (ISA) Server 2004 SP1 and SP2...

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.

Record
GHSA-x2hg-rgmp-3453
Weakness
CWE-200
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
aliases, references, titleGitHub Advisories
first indexedCVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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