CVE-2003-1021

The scosession program in OpenServer 5.0.6 and 5.0.7 allows local users to gain privileges via crafted strings on the commandline.

Published: 2005-01-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2003-1021

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1021

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2003-1021

Affected software / configurations for CVE-2003-1021

Vendor Product Version Raw CPE
sco openserver -

References for CVE-2003-1021

cvelogic Threat Intelligence