CVE-2001-0463

Exp

Directory traversal vulnerability in cal_make.pl in PerlCal allows remote attackers to read arbitrary files via a .. (dot dot) in the p0 parameter.

Published: 2001-06-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0463 is rated High Exploit Risk (71.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.26%, 93th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.08% over the last day, indicating growing attacker interest. Mandatory action: 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-2001-0463

EDB-ID Source Kind Published Link
20808 exploit_db edb 2001-04-27 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0463

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 2025-09-09 6.18% 10.26% +4.08%
2 2025-03-30 9.53% 6.18% -3.35%
3 2025-03-29 9.53%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0463

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0463

Affected software / configurations for CVE-2001-0463

Vendor Product Version Raw CPE
acme_labs perlcal 2.3 cpe:2.3:a:acme_labs:perlcal:2.3:*:*:*:*:*:*:*
acme_labs perlcal 2.4 cpe:2.3:a:acme_labs:perlcal:2.4:*:*:*:*:*:*:*
acme_labs perlcal 2.5 cpe:2.3:a:acme_labs:perlcal:2.5:*:*:*:*:*:*:*
acme_labs perlcal 2.6 cpe:2.3:a:acme_labs:perlcal:2.6:*:*:*:*:*:*:*
acme_labs perlcal 2.7 cpe:2.3:a:acme_labs:perlcal:2.7:*:*:*:*:*:*:*
acme_labs perlcal 2.9 cpe:2.3:a:acme_labs:perlcal:2.9:*:*:*:*:*:*:*
acme_labs perlcal 2.9a cpe:2.3:a:acme_labs:perlcal:2.9a:*:*:*:*:*:*:*
acme_labs perlcal 2.9b cpe:2.3:a:acme_labs:perlcal:2.9b:*:*:*:*:*:*:*
acme_labs perlcal 2.9c cpe:2.3:a:acme_labs:perlcal:2.9c:*:*:*:*:*:*:*
acme_labs perlcal 2.9d cpe:2.3:a:acme_labs:perlcal:2.9d:*:*:*:*:*:*:*
acme_labs perlcal 2.9e cpe:2.3:a:acme_labs:perlcal:2.9e:*:*:*:*:*:*:*
acme_labs perlcal 2.13 cpe:2.3:a:acme_labs:perlcal:2.13:*:*:*:*:*:*:*
acme_labs perlcal 2.18 cpe:2.3:a:acme_labs:perlcal:2.18:*:*:*:*:*:*:*
acme_labs perlcal 2.80 cpe:2.3:a:acme_labs:perlcal:2.80:*:*:*:*:*:*:*
acme_labs perlcal 2.95 cpe:2.3:a:acme_labs:perlcal:2.95:*:*:*:*:*:*:*

References for CVE-2001-0463

cvelogic Threat Intelligence