CVE-2001-0053

Exp

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

Published: 2001-02-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0053 is rated High Exploit Risk (91.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 17.93%, 97th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.33% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2001-0053

EDB-ID Source Kind Published Link
234 exploit_db edb 2000-12-20 Exploit-DB ↗
20512 exploit_db edb 2000-12-18 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0053

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 15.60% 17.93% +2.33%
2 2025-03-30 6.65% 15.60% +8.95%
3 2025-03-29 — 6.65% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0053

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2001-0053

Affected software / configurations for CVE-2001-0053

Vendor Product Version Raw CPE
david_madore ftpd-bsd 0.2.3 cpe:2.3:a:david_madore:ftpd-bsd:0.2.3:*:*:*:*:*:*:*
netbsd netbsd 1.4 cpe:2.3:o:netbsd:netbsd:1.4:*:*:*:*:*:*:*
netbsd netbsd 1.4.1 cpe:2.3:o:netbsd:netbsd:1.4.1:*:*:*:*:*:*:*
netbsd netbsd 1.4.2 cpe:2.3:o:netbsd:netbsd:1.4.2:*:*:*:*:*:*:*
netbsd netbsd 1.5 cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:*
openbsd openbsd 2.4 cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*
openbsd openbsd 2.5 cpe:2.3:o:openbsd:openbsd:2.5:*:*:*:*:*:*:*
openbsd openbsd 2.6 cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*
openbsd openbsd 2.7 cpe:2.3:o:openbsd:openbsd:2.7:*:*:*:*:*:*:*
openbsd openbsd 2.8 cpe:2.3:o:openbsd:openbsd:2.8:*:*:*:*:*:*:*

References for CVE-2001-0053

cvelogic Threat Intelligence