How severe is CVE-2003-0642?

CVE-2003-0642 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2003-0642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0642?

CVE-2003-0642 primarily affects Watchguard Serverlock. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0642?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-0642 published?

CVE-2003-0642 was published on 2003-08-27 and last updated on 2026-06-16.

CVE-2003-0642

CVE-2003-0642 is a low-severity vulnerability in Watchguard Serverlock with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Watchguard Serverlock
Published: 2003-08-27
Last modified: 2026-06-16

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2003-0642?: CVE-2003-0642 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2003-0642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0642?: CVE-2003-0642 primarily affects Watchguard Serverlock. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0642 published?: CVE-2003-0642 was published on 2003-08-27 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:watchguard:serverlock:2.0:*:*:*:*:*:*:*
cpe:2.3:a:watchguard:serverlock:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:watchguard:serverlock:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:watchguard:serverlock:2.0.3:*:*:*:*:*:*:*

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