How severe is CVE-2002-0621?

CVE-2002-0621 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-0621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0621?

CVE-2002-0621 primarily affects Microsoft Commerce Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0621?

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

When was CVE-2002-0621 published?

CVE-2002-0621 was published on 2002-07-03 and last updated on 2026-06-16.

CVE-2002-0621

CVE-2002-0621 is a medium-severity vulnerability in Microsoft Commerce Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Commerce Server
Published: 2002-07-03
Last modified: 2026-06-16

Description

Buffer overflow in the Office Web Components (OWC) package installer used by Microsoft Commerce Server 2000 allows remote attackers to cause the process to fail or run arbitrary code in the LocalSystem security context via certain input to the OWC package installer.

Frequently asked questions

What is CVE-2002-0621?: Buffer overflow in the Office Web Components (OWC) package installer used by Microsoft Commerce Server 2000 allows remote attackers to cause the process to fail or run arbitrary code in the LocalSystem security context via certain input to the OWC package installer.
How severe is CVE-2002-0621?: CVE-2002-0621 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-0621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0621?: CVE-2002-0621 primarily affects Microsoft Commerce Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0621?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0621 published?: CVE-2002-0621 was published on 2002-07-03 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:microsoft:commerce_server:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:commerce_server:2000:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:commerce_server:2000:sp2:*:*:*:*:*:*

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