CVE-1999-1391

Vulnerability in NeXT 1.0a and 1.0 with publicly accessible printers allows local users to gain privileges via a combination of the npd program and weak directory permissions.

Published: 1990-10-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-1391 is rated Moderate Risk (50/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.39%). Mandatory action: Review affected assets and schedule remediation.

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-1999-1391

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 2025-07-17 0.07% 0.39% +0.33%
2 2025-03-17 1.08% 0.07% -1.01%
3 2024-12-17 1.08%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1391

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-1999-1391

Affected software / configurations for CVE-1999-1391

Vendor Product Version Raw CPE
next next 1.0 cpe:2.3:a:next:next:1.0:*:*:*:*:*:*:*
next next 1.0a cpe:2.3:a:next:next:1.0a:*:*:*:*:*:*:*

References for CVE-1999-1391

cvelogic Threat Intelligence