CVE-2001-0053

NONECVSS 0.0Weaponized

0.0

One-byte buffer overflow in replydirname function in BSD-based ftpd allows remote attackers to gain root privileges.

CVSS v3: —
EG Score: —
EPSS: 94.8%
KEV: Not listed

Published

February 12, 2001

Last Modified

April 16, 2026

References (10)

cve@mitreftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-018.txt.asc
cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2000-12/0275.html
cve@mitrehttp://www.openbsd.org/advisories/ftpd_replydirname.txt
cve@mitrehttp://www.securityfocus.com/bid/2124
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5776
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-018.txt.asc
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2000-12/0275.html
af854a3a-2127-422b-91ae-364da2661108http://www.openbsd.org/advisories/ftpd_replydirname.txt
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/2124
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5776

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
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2026-05-26 13:41 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-234✓ verified
First seen Dec 20, 2000
OpenBSD ftpd 2.6/2.7 - Remote Overflow
Open source ↗
Exploit-DBEDB-20512✓ verified
First seen Dec 18, 2000
BSD ftpd 0.3.2 - Single Byte Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2001-0053?

CVE-2001-0053 is a none vulnerability published on February 12, 2001. One-byte buffer overflow in replydirname function in BSD-based ftpd allows remote attackers to gain root privileges.

When was CVE-2001-0053 disclosed?

CVE-2001-0053 was first published in the National Vulnerability Database on February 12, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-0053 actively exploited?

CVE-2001-0053 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-0053?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0053, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-0053

📅 Published

🔄 Last Modified

🔗 References (10)