CVE-1999-1059

Vulnerability in rexec daemon (rexecd) in AT&T TCP/IP 4.0 for various SVR4 systems allows remote attackers to execute arbitrary commands.

Published: 1992-02-25 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-1059 is rated High Risk (69.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.18%). Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-1999-1059

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 4.25% 3.18% -1.08%
2 2025-07-16 3.27% 4.25% +0.99%
3 2025-03-30 3.27%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1059

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-1999-1059

Affected software / configurations for CVE-1999-1059

Vendor Product Version Raw CPE
att svr4 4.0 cpe:2.3:o:att:svr4:4.0:*:*:*:*:*:*:*

References for CVE-1999-1059

cvelogic Threat Intelligence