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.
CVE-2001-0136
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.7%
- KEV
- Not listed
Published
March 12, 2001
Last Modified
June 16, 2026
References (16)
- cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-01/0122.html
- cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-01/0132.html
- cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-02/0267.html
- cve@mitrehttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000380
- cve@mitrehttp://www.debian.org/security/2001/dsa-029
- cve@mitrehttp://www.linux-mandrake.com/en/security/2001/MDKSA-2001-021.php3
- cve@mitrehttp://www.securityfocus.com/archive/1/152206
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5801
- af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-01/0122.html
- af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-01/0132.html
- af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-02/0267.html
- af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000380
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2001/dsa-029
- af854a3a-2127-422b-91ae-364da2661108http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-021.php3
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/152206
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-20 17:02 UTCEPSS rescore
- 2026-07-18 09:59 UTCEPSS rescore
- 2026-07-16 16:58 UTCEPSS rescore
- 2026-07-15 16:53 UTCEPSS rescore
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- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-13 22:56 UTCEPSS rescore
- 2026-06-12 23:07 UTCEPSS rescore
- 2026-06-11 13:55 UTCEPSS rescore
- 2026-06-10 22:13 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
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- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
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- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:48 UTCEPSS rescore
- 2026-05-31 22:27 UTCEPSS rescore
- 2026-05-31 20:52 UTCEG score recompute
- 2026-05-31 20:52 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(3 references)Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-244✓ verifiedFirst seen Jan 12, 2001
ProFTPd 1.2.0 pre10 - Remote Denial of Service
Open source ↗ - Exploit-DBEDB-241✓ verifiedFirst seen Jan 3, 2001
ProFTPd 1.2.0 rc2 - Memory Leakage
Open source ↗ - Exploit-DBEDB-20536✓ verifiedFirst seen Dec 20, 2000
ProFTPd 1.2 - 'SIZE' Remote Denial of Service
Open source ↗
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2001-0136?
When was CVE-2001-0136 disclosed?
Is CVE-2001-0136 actively exploited?
How do I remediate CVE-2001-0136?
Dependency Blast Radius
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