CVE-1999-0123

Race condition in Linux mailx command allows local users to read user files.

Published: 1995-12-01 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0123 is rated Low Risk (22.5/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.30%). 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-1999-0123

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 0.07% 0.30% +0.23%
2 2025-03-17 0.04% 0.07% +0.03%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0123

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.7 2.0 LOW
AV:L/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 1.9 6.4 [email protected]

Weakness enumeration for CVE-1999-0123

OS Trackers for CVE-1999-0123

vendor priority summary link
alpine — CVE-1999-0123: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0123

Affected software / configurations for CVE-1999-0123

Vendor Product Version Raw CPE
slackware slackware_linux 3.0 cpe:2.3:o:slackware:slackware_linux:3.0:*:*:*:*:*:*:*

References for CVE-1999-0123

cvelogic Threat Intelligence