How severe is CVE-2001-0136?

CVE-2001-0136 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0136?

CVE-2001-0136 primarily affects Proftpd. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0136?

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

When was CVE-2001-0136 published?

CVE-2001-0136 was published on 2001-03-12 and last updated on 2026-06-16.

CVE-2001-0136

CVE-2001-0136 is a medium-severity vulnerability in Proftpd with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 45% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-401.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 45% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Proftpd
Published: 2001-03-12
Last modified: 2026-06-16

Description

Memory leak in ProFTPd 1.2.0rc2 allows remote attackers to cause a denial of service via a series of USER commands, and possibly SIZE commands if the server has been improperly installed.

Frequently asked questions

What is CVE-2001-0136?: Memory leak in ProFTPd 1.2.0rc2 allows remote attackers to cause a denial of service via a series of USER commands, and possibly SIZE commands if the server has been improperly installed.
How severe is CVE-2001-0136?: CVE-2001-0136 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0136?: CVE-2001-0136 primarily affects Proftpd. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0136?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0136 published?: CVE-2001-0136 was published on 2001-03-12 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:proftpd:proftpd:1.2.0:rc2:*:*:*:*:*:*
cpe:2.3:o:conectiva:linux:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*
cpe:2.3:o:mandrakesoft:mandrake_linux:7.2:*:*:*:*:*:*:*

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