CVE-2003-0642

WatchGuard ServerLock for Windows 2000 before SL 2.0.4 allows local users to access kernel memory via a symlink attack on \Device\PhysicalMemory.

Published: 2003-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0642 is rated Low Risk (18.1/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.35%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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-2003-0642

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 0.07% 0.35% +0.28%
2 2025-03-17 0.04% 0.07% +0.03%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0642

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2003-0642

Affected software / configurations for CVE-2003-0642

Vendor Product Version Raw CPE
watchguard serverlock 2.0 cpe:2.3:a:watchguard:serverlock:2.0:*:*:*:*:*:*:*
watchguard serverlock 2.0.1 cpe:2.3:a:watchguard:serverlock:2.0.1:*:*:*:*:*:*:*
watchguard serverlock 2.0.2 cpe:2.3:a:watchguard:serverlock:2.0.2:*:*:*:*:*:*:*
watchguard serverlock 2.0.3 cpe:2.3:a:watchguard:serverlock:2.0.3:*:*:*:*:*:*:*

References for CVE-2003-0642

cvelogic Threat Intelligence