CVE-2001-1147

The PAM implementation in /bin/login of the util-linux package before 2.11 causes a password entry to be rewritten across multiple PAM calls, which could provide the credentials of one user to a different user, when used in certain PAM modules such as pam_limits.

Published: 2001-10-08 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-1147 is rated Low Risk (35.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2001-1147

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 2023-03-07 1.03% 0.06% -0.97%
2 2022-02-04 1.03%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1147

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2001-1147

OS Trackers for CVE-2001-1147

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2001-1147

Affected software / configurations for CVE-2001-1147

Vendor Product Version Raw CPE
andries_brouwer util-linux 2.10s cpe:2.3:a:andries_brouwer:util-linux:2.10s:*:*:*:*:*:*:*
andries_brouwer util-linux 2.11f cpe:2.3:a:andries_brouwer:util-linux:2.11f:*:*:*:*:*:*:*
andries_brouwer util-linux 2.11h cpe:2.3:a:andries_brouwer:util-linux:2.11h:*:*:*:*:*:*:*
andries_brouwer util-linux 2.11i cpe:2.3:a:andries_brouwer:util-linux:2.11i:*:*:*:*:*:*:*
andries_brouwer util-linux 2.11k cpe:2.3:a:andries_brouwer:util-linux:2.11k:*:*:*:*:*:*:*

References for CVE-2001-1147

cvelogic Threat Intelligence