Vulnerability in rexec daemon (rexecd) in AT&T TCP/IP 4.0 for various SVR4 systems allows remote attackers to execute arbitrary commands.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| URL | Tags |
|---|---|
| http://www.cert.org/advisories/CA-1992-04.html | Patch Third Party Advisory US Government Resource |
| http://www.iss.net/security_center/static/3159.php | |
| http://www.securityfocus.com/bid/36 |