CVE-1999-1251

Vulnerability in direct audio user space code on HP-UX 10.20 and 10.10 allows local users to cause a denial of service.

Published: 1996-12-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1251 is rated Low Risk (20.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.42%). 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-1999-1251

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 0.08% 0.42% +0.34%
2 2025-03-17 0.04% 0.08% +0.04%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1251

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:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-1999-1251

Affected software / configurations for CVE-1999-1251

Vendor Product Version Raw CPE
hp hp-ux 10.10 cpe:2.3:o:hp:hp-ux:10.10:*:*:*:*:*:*:*
hp hp-ux 10.20 cpe:2.3:o:hp:hp-ux:10.20:*:*:*:*:*:*:*

References for CVE-1999-1251

cvelogic Threat Intelligence