How severe is CVE-2001-0742?

CVE-2001-0742 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0742?

CVE-2001-0742 affects Computalynx Cmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0742?

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-2001-0742 published?

CVE-2001-0742 was published on 2001-10-18 and last updated on 2026-06-16.

CVE-2001-0742

CVE-2001-0742 is a high-severity vulnerability in Computalynx Cmail 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: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Computalynx Cmail
Published: 2001-10-18
Last modified: 2026-06-16

Description

Buffer overflow in Computalynx CMail POP3 mail server 2.4.9 allows remote attackers to run arbitrary code via a long HELO command.

Frequently asked questions

What is CVE-2001-0742?: Buffer overflow in Computalynx CMail POP3 mail server 2.4.9 allows remote attackers to run arbitrary code via a long HELO command.
How severe is CVE-2001-0742?: CVE-2001-0742 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0742?: CVE-2001-0742 affects Computalynx Cmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0742?: 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-2001-0742 published?: CVE-2001-0742 was published on 2001-10-18 and last updated on 2026-06-16.

References

http://www.securiteam.com/windowsntfocus/5UP0B204AY.html

Affected products (1)

cpe:2.3:a:computalynx:cmail:2.4.9:*:*:*:*:*:*:*

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CVE-2000-0557 — Critical (CVSS 10.0): Buffer overflow in the web interface for Cmail 2.4.7 allows remote attackers to execute arbitrary commands via a long…
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