CVE-2001-0136

Proftpd vulnerability

CVSS

5.0

EPSS

44.9%

EPSS pct

99th

Exploited

No known

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.

Affected vendor

Proftpd

Affected product

Proftpd

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-401 — Missing Release of Memory (Memory Leak)

Published

2001-03-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 44.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2001-0136

Confirm whether Proftpd Proftpd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2001-0136.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-0136

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-0136 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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