CVE-1999-0306

Exp

buffer overflow in HP xlock program.

Published: 1997-11-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0306 is rated High Exploit Risk (69.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.69%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-1999-0306

EDB-ID Source Kind Published Link
19172 exploit_db edb 1997-04-26 Exploit-DB ↗
19173 exploit_db edb 1997-04-26 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0306

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 1.57% 1.69% +0.12%
2 2026-06-11 1.32% 1.57% +0.25%
3 2026-04-17 1.32%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0306

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-1999-0306

OS Trackers for CVE-1999-0306

vendor priority summary link
alpine CVE-1999-0306: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0306

Affected software / configurations for CVE-1999-0306

Vendor Product Version Raw CPE
hp vvos 10.24 cpe:2.3:o:hp:vvos:10.24:*:*:*:*:*:*:*

References for CVE-1999-0306

cvelogic Threat Intelligence