CVE-2001-1021

Ws Ftp Server vulnerability

CVSS

7.5

EPSS

42.1%

EPSS pct

99th

Exploited

No known

Buffer overflows in WS_FTP 2.02 allow remote attackers to execute arbitrary code via long arguments to (1) DELE, (2) MDTM, (3) MLST, (4) MKD, (5) RMD, (6) RNFR, (7) RNTO, (8) SIZE, (9) STAT, (10) XMKD, or (11) XRMD.

Affected vendor

Progress

Affected product

Ws Ftp Server

CVSS vector

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

Published

2001-07-26

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 confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 42.1% 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-2001-1021

Confirm whether Progress Ws Ftp Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2001-1021.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-1021

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-1021 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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