How severe is CVE-2001-0064?

CVE-2001-0064 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0064?

CVE-2001-0064 affects Alt-n Mdaemon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0064?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-0064 published?

CVE-2001-0064 was published on 2001-02-12 and last updated on 2026-06-16.

CVE-2001-0064

CVE-2001-0064 is a medium-severity vulnerability in Alt-n Mdaemon with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Alt-n Mdaemon
Published: 2001-02-12
Last modified: 2026-06-16

Description

Webconfig, IMAP, and other services in MDaemon 3.5.0 and earlier allows remote attackers to cause a denial of service via a long URL terminated by a "\r\n" string.

Frequently asked questions

What is CVE-2001-0064?: Webconfig, IMAP, and other services in MDaemon 3.5.0 and earlier allows remote attackers to cause a denial of service via a long URL terminated by a "\r\n" string.
How severe is CVE-2001-0064?: CVE-2001-0064 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0064?: CVE-2001-0064 affects Alt-n Mdaemon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0064 published?: CVE-2001-0064 was published on 2001-02-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:alt-n:mdaemon:3.5.0:*:*:*:*:*:*:*

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