THREATPORT/VULNERABILITY/CVE-2001-1100
HIGH SEVERITY

CVE-2001-1100

W3mail vulnerability

CVSS
7.5
EPSS
3.7%
EPSS pct
88th
Exploited
No known
sendmessage.cgi in W3Mail 1.0.2, and possibly other CGI programs, allows remote attackers to execute arbitrary commands via shell metacharacters in any field of the 'Compose Message' page.
Affected vendor
Spencer Miles
Affected product
W3mail
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2001-10-07

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 3.7% 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-2001-1100

  • Confirm whether Spencer Miles W3mail is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2001-1100.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-1100

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-1100 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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