How severe is CVE-2002-1876?

CVE-2002-1876 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2002-1876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1876?

CVE-2002-1876 primarily affects Microsoft Exchange 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-2002-1876?

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

When was CVE-2002-1876 published?

CVE-2002-1876 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-1876

CVE-2002-1876 is a low-severity vulnerability in Microsoft Exchange Server 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. The underlying weakness is classified as CWE-400.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Microsoft Exchange Server
Published: 2002-12-31
Last modified: 2026-06-16

Description

Microsoft Exchange 2000 allows remote authenticated attackers to cause a denial of service via a large number of rapid requests, which consumes all of the licenses that are granted to Exchange by IIS.

Frequently asked questions

What is CVE-2002-1876?: Microsoft Exchange 2000 allows remote authenticated attackers to cause a denial of service via a large number of rapid requests, which consumes all of the licenses that are granted to Exchange by IIS.
How severe is CVE-2002-1876?: CVE-2002-1876 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2002-1876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1876?: CVE-2002-1876 primarily affects Microsoft Exchange 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-2002-1876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-1876 published?: CVE-2002-1876 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2000:sp2:*:*:*:*:*:*

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