CVE-2001-0131

htpasswd and htdigest in Apache 2.0a9, 1.3.14, and others allows local users to overwrite arbitrary files via a symlink attack.

Published: 2001-03-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0131 is rated Moderate Risk (43.8/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.31%). EPSS rose +2.20% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2001-0131

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 0.11% 2.31% +2.20%
2 2025-03-17 0.04% 0.11% +0.07%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 2.0 LOW
AV:L/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 4.9 [email protected]

Weakness enumeration for CVE-2001-0131

OS Trackers for CVE-2001-0131

vendor priority summary link
redhat low — https://access.redhat.com/security/cve/CVE-2001-0131

Affected software / configurations for CVE-2001-0131

Vendor Product Version Raw CPE
apache http_server 1.3.14 cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*
apache http_server 2.0 cpe:2.3:a:apache:http_server:2.0:alpha9:*:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*

References for CVE-2001-0131

URL Tags
http://marc.info/?l=bugtraq&m=97916374410647&w=2 Third Party Advisory
http://www.debian.org/security/2001/dsa-021 Patch Third Party Advisory
http://www.securityfocus.com/bid/2182 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/5926 Third Party Advisory VDB Entry
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