CVE-2001-1021

highpriority · attend · 55EPSS 0.421 · 99 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

42.1% (99th) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-22

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USLLM-inferredCWE-416USLLM-inferred

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-1158Ipswitch WS_FTP Server 5.03 - 'RNFR' Buffer Overflowfunctional · exploit_db
EDB-21036Ipswitch WS_FTP Server 2.0 - Anonymous Multiple FTP Command Buffer Overflowsfunctional · exploit_db

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
progress ws ftp server= 2.0.2nvdUScpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2001-07-26modified 2026-06-16

references (6)

External citations — patches, advisories, analysis.

scry

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