How severe is CVE-2001-0494?

CVE-2001-0494 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0494?

CVE-2001-0494 affects Ipswitch Imail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0494?

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-2001-0494 published?

CVE-2001-0494 was published on 2001-06-27 and last updated on 2026-06-16.

CVE-2001-0494

CVE-2001-0494 is a high-severity vulnerability in Ipswitch Imail 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% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ipswitch Imail
Published: 2001-06-27
Last modified: 2026-06-16

Description

Buffer overflow in IPSwitch IMail SMTP server 6.06 and possibly prior versions allows remote attackers to execute arbitrary code via a long From: header.

Frequently asked questions

What is CVE-2001-0494?: Buffer overflow in IPSwitch IMail SMTP server 6.06 and possibly prior versions allows remote attackers to execute arbitrary code via a long From: header.
How severe is CVE-2001-0494?: CVE-2001-0494 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0494?: CVE-2001-0494 affects Ipswitch Imail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0494?: 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-2001-0494 published?: CVE-2001-0494 was published on 2001-06-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ipswitch:imail:*:*:*:*:*:*:*:*

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