CVE-1999-0297

Buffer overflow in Vixie Cron library up to version 3.0 allows local users to obtain root access via a long environmental variable.

Published: 1996-12-12 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0297 is rated Low Risk (34.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). 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-1999-0297

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 2025-03-17 0.04% 0.06% +0.02%
2 2023-03-07 0.95% 0.04% -0.91%
3 2022-02-04 — 0.95% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0297

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-1999-0297

OS Trackers for CVE-1999-0297

vendor priority summary link
alpine — CVE-1999-0297: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0297

Affected software / configurations for CVE-1999-0297

Vendor Product Version Raw CPE
paul_vixie vixie_cron 3.0 cpe:2.3:a:paul_vixie:vixie_cron:3.0:*:*:*:*:*:*:*
bsdi bsd_os 2.1 cpe:2.3:o:bsdi:bsd_os:2.1:*:*:*:*:*:*:*
freebsd freebsd 2.1.0 cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*
netbsd netbsd 2.0.4 cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*
redhat linux — cpe:2.3:o:redhat:linux:*:*:*:*:*:*:*:*

References for CVE-1999-0297

cvelogic Threat Intelligence