CVE-2003-0461

/proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which could allow local users to obtain potentially sensitive information such as the length of passwords.

Published: 2003-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0461 is rated Low Risk (20/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.41%). 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-2003-0461

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 0.06% 0.41% +0.34%
2 2025-03-17 0.04% 0.06% +0.02%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0461

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2003-0461

OS Trackers for CVE-2003-0461

vendor priority summary link
redhat low — https://access.redhat.com/security/cve/CVE-2003-0461
ubuntu medium CVE-2003-0461 medium priority: Ubuntu including 1 source packages (kernel-source-2.4.27), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 2, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2003-0461

Affected software / configurations for CVE-2003-0461

Vendor Product Version Raw CPE
redhat linux 7.1 cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:*
redhat linux 7.2 cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:*
redhat linux 7.3 cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:*
redhat linux 8.0 cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
redhat linux 9.0 cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*

References for CVE-2003-0461

cvelogic Threat Intelligence