CVE-1999-1193

The "me" user in NeXT NeXTstep 2.1 and earlier has wheel group privileges, which could allow the me user to use the su command to become root.

Published: 1991-05-14 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-1193 is rated Moderate Risk (64.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.71%). 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-1999-1193

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 2025-09-29 0.96% 0.71% -0.25%
2 2025-03-30 2.41% 0.96% -1.45%
3 2025-03-29 2.41%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1193

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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.
10.0 10.0 [email protected]

Weakness enumeration for CVE-1999-1193

Affected software / configurations for CVE-1999-1193

Vendor Product Version Raw CPE
next next <= 2.1 cpe:2.3:a:next:next:*:*:*:*:*:*:*:*

References for CVE-1999-1193

cvelogic Threat Intelligence