5

CVE-2007-4991: microsoft isa_server

CVSS: 5.0v2.0MediumModified
Published 21-09-2007Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2007-4991 is a medium (CVSS 5.0) vulnerability in microsoft isa_server. EPSS estimates a 16.15% chance of exploitation in the next 30 days, higher than 96.9% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
16.15%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-09-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

16.15%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 16.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
16.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft1 product

1 vendor · 1 product

References

5 links