How severe is CVE-2003-0641?

CVE-2003-0641 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2003-0641 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0641?

CVE-2003-0641 primarily affects Watchguard Serverlock. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0641?

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

When was CVE-2003-0641 published?

CVE-2003-0641 was published on 2003-08-27 and last updated on 2026-06-16.

CVE-2003-0641

CVE-2003-0641 is a medium-severity vulnerability in Watchguard Serverlock with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (28th 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 2.0.3 allows local users to load arbitrary modules via the OpenProcess() function, as demonstrated using (1) a DLL injection attack, (2) ZwSetSystemInformation, and (3) API hooking in OpenProcess.

Frequently asked questions

What is CVE-2003-0641?: WatchGuard ServerLock for Windows 2000 before SL 2.0.3 allows local users to load arbitrary modules via the OpenProcess() function, as demonstrated using (1) a DLL injection attack, (2) ZwSetSystemInformation, and (3) API hooking in OpenProcess.
How severe is CVE-2003-0641?: CVE-2003-0641 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2003-0641 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0641?: CVE-2003-0641 primarily affects Watchguard Serverlock. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0641?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0641 published?: CVE-2003-0641 was published on 2003-08-27 and last updated on 2026-06-16.

References

Affected products (3)

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:*:*:*:*:*:*:*

More vulnerabilities in Watchguard Serverlock

CVE-2003-0642 — Low (CVSS 2.1): WatchGuard ServerLock for Windows 2000 before SL 2.0.4 allows local users to access kernel memory via a symlink attack…

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