CVE-2002-0816

Buffer overflow in su in Tru64 Unix 5.x allows local users to gain root privileges via a long username and argument.

Published: 2002-08-12 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-0816 is rated Moderate Risk (40.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.44%). 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-2002-0816

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 0.83% 0.44% -0.39%
2 2025-12-03 0.07% 0.83% +0.76%
3 2024-12-17 0.07%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0816

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-2002-0816

Affected software / configurations for CVE-2002-0816

Vendor Product Version Raw CPE
compaq tru64 4.0f cpe:2.3:o:compaq:tru64:4.0f:*:*:*:*:*:*:*
compaq tru64 4.0g cpe:2.3:o:compaq:tru64:4.0g:*:*:*:*:*:*:*
compaq tru64 5.0 cpe:2.3:o:compaq:tru64:5.0:*:*:*:*:*:*:*
compaq tru64 5.0a cpe:2.3:o:compaq:tru64:5.0a:*:*:*:*:*:*:*
compaq tru64 5.1 cpe:2.3:o:compaq:tru64:5.1:*:*:*:*:*:*:*
compaq tru64 5.1a cpe:2.3:o:compaq:tru64:5.1a:*:*:*:*:*:*:*

References for CVE-2002-0816

cvelogic Threat Intelligence