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CVE-2001-0463

29
FAUCET Score

CVE-2001-0463 describes a directory traversal vulnerability in the cal_make.pl script within PerlCal, affecting acme_labs perlcal. This flaw allows unauthenticated remote attackers to read arbitrary files on the server by manipulating the 'p0' parameter with directory traversal sequences. Rated with a CVSS score of 5.0 (Medium), the vulnerability is easily exploitable over the network with low attack complexity, leading to potential information disclosure. While not listed on CISA's KEV, public exploit code exists on ExploitDB, and the CVE has garnered significant community discussion, indicating awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
2.3CPE matchmatch criteria
cpe:2.3:a:acme_labs:perlcal:2.3:*:*:*:*:*:*:*
2.4CPE matchmatch criteria
cpe:2.3:a:acme_labs:perlcal:2.4:*:*:*:*:*:*:*
2.5CPE matchmatch criteria
cpe:2.3:a:acme_labs:perlcal:2.5:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:a:acme_labs:perlcal:2.6:*:*:*:*:*:*:*
2.7CPE matchmatch criteria
cpe:2.3:a:acme_labs:perlcal:2.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.76%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-20808 · Apr 27, 2001
This CVE's current EPSS score of 0.0376 is in the 85th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2001-04/0506.html
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/6480
perlcal.com / calendar/docs/bugs.txt
securityfocus.com / bid/2663
ExploitPatchVendor Advisory