THREATPORT/VULNERABILITY/CVE-2003-1342
MEDIUM SEVERITY

CVE-2003-1342

Internet Information Server vulnerability

CVSS
5.0
EPSS
3.4%
EPSS pct
88th
Exploited
No known
Trend Micro Virus Control System (TVCS) 1.8 running with IIS allows remote attackers to cause a denial of service (memory consumption) in IIS via multiple URL requests for ActiveSupport.exe.
Affected vendor
Microsoft
Affected product
Internet Information Server
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness type (CWE)
Published
2003-12-31

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 availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2003-1342

  • Confirm whether Microsoft Internet Information Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-1342.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-1342

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-1342 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2003-1342?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2003-1342.

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