How severe is CVE-2002-0055?

CVE-2002-0055 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-0055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0055?

CVE-2002-0055 primarily affects Microsoft Exchange Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0055?

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

When was CVE-2002-0055 published?

CVE-2002-0055 was published on 2002-03-08 and last updated on 2026-06-16.

CVE-2002-0055

CVE-2002-0055 is a medium-severity vulnerability in Microsoft Exchange Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-669.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-669
Affected product: Microsoft Exchange Server
Published: 2002-03-08
Last modified: 2026-06-16

Description

SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers to cause a denial of service via a command with a malformed data transfer (BDAT) request.

Frequently asked questions

What is CVE-2002-0055?: SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers to cause a denial of service via a command with a malformed data transfer (BDAT) request.
How severe is CVE-2002-0055?: CVE-2002-0055 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-0055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0055?: CVE-2002-0055 primarily affects Microsoft Exchange Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0055?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0055 published?: CVE-2002-0055 was published on 2002-03-08 and last updated on 2026-06-16.

References

Affected products (7)

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:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:*:gold:*:*:professional:*:*:*

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