MEDIUM SEVERITY

CVE-2002-1140

Services vulnerability

CVSS
5.0
EPSS
13.9%
EPSS pct
96th
Exploited
No known
The Sun Microsystems RPC library Services for Unix 3.0 Interix SD, as implemented on Microsoft Windows NT4, 2000, and XP, allows remote attackers to cause a denial of service (service hang) via malformed packet fragments, aka "Improper parameter size check leading to denial of service."
Affected vendor
Microsoft
Affected product
Services
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2002-10-11

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 13.9% 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-2002-1140

  • Confirm whether Microsoft Services is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2002-1140.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2002-1140

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2002-1140 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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