How severe is CVE-2001-1100?

CVE-2001-1100 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1100?

CVE-2001-1100 affects Spencer Miles W3mail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1100?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2001-1100 published?

CVE-2001-1100 was published on 2001-10-07 and last updated on 2026-06-16.

CVE-2001-1100

CVE-2001-1100 is a high-severity vulnerability in Spencer Miles W3mail with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Spencer Miles W3mail
Published: 2001-10-07
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2001-1100?: 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.
How severe is CVE-2001-1100?: CVE-2001-1100 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1100?: CVE-2001-1100 affects Spencer Miles W3mail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1100 published?: CVE-2001-1100 was published on 2001-10-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:spencer_miles:w3mail:1.0.2:*:*:*:*:*:*:*