Vulnerability in rcp on SunOS 4.0.x allows remote attackers from trusted hosts to execute arbitrary commands as root, possibly related to the configuration of the nobody user.
Conclusion & alert: CVE-1999-1467 is rated High Risk (77.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.23%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.41% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 5.82% | 10.23% | +4.41% |
| 2 | 2026-05-12 | 4.07% | 5.82% | +1.75% |
| 3 | 2026-01-24 | — | 4.07% | — |
Full EPSS history (16 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sun | sunos | 4.0 | cpe:2.3:o:sun:sunos:4.0:*:*:*:*:*:*:* |
| sun | sunos | 4.0.1 | cpe:2.3:o:sun:sunos:4.0.1:*:*:*:*:*:*:* |
| sun | sunos | 4.0.2 | cpe:2.3:o:sun:sunos:4.0.2:*:*:*:*:*:*:* |
| sun | sunos | 4.0.3 | cpe:2.3:o:sun:sunos:4.0.3:*:*:*:*:*:*:* |
| sun | sunos | 4.0.3c | cpe:2.3:o:sun:sunos:4.0.3c:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.cert.org/advisories/CA-1989-07.html | Patch Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/5 | Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/3165 |