HIGH SEVERITY

CVE-2004-0892

Isa Server vulnerability

CVSS
7.5
EPSS
17.4%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Microsoft
Affected product
Isa Server
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2005-01-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 17.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2004-0892

  • Confirm whether Microsoft Isa Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2004-0892.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0892

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0892 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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