The scosession program in OpenServer 5.0.6 and 5.0.7 allows local users to gain privileges via crafted strings on the commandline.
Conclusion & alert: CVE-2003-1021 is rated Moderate Risk (50.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.40%). 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.
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 | 2025-12-27 | 0.07% | 0.40% | +0.33% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.02% |
| 3 | 2024-12-17 | — | 0.04% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sco | openserver | - | — |
| URL | Tags |
|---|---|
| ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.5/SCOSA-2005.5.txt | |
| http://secunia.com/advisories/14012/ | Patch Vendor Advisory |
| http://www.kb.cert.org/vuls/id/972598 | Patch Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/12372 | Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/19479 |