THREATPORT/VULNERABILITY/CVE-2001-0658
HIGH SEVERITY

CVE-2001-0658

Isa Server vulnerability

CVSS
7.5
EPSS
14.2%
EPSS pct
96th
Exploited
No known
Cross-site scripting (CSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause other clients to execute certain script or read cookies via malicious script in an invalid URL that is not properly quoted in an error message.
Affected vendor
Microsoft
Affected product
Isa Server
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2001-09-20

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 14.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2001-0658

  • Confirm whether Microsoft Isa Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2001-0658.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-0658

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-0658 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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