How severe is CVE-2004-0574?

CVE-2004-0574 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0574 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 68% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0574?

CVE-2004-0574 primarily affects Microsoft Exchange Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0574?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2004-0574 published?

CVE-2004-0574 was published on 2004-11-03 and last updated on 2026-06-16.

CVE-2004-0574

CVE-2004-0574 is a critical-severity vulnerability in Microsoft Exchange Server with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 68% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 68% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Microsoft Exchange Server
Published: 2004-11-03
Last modified: 2026-06-16

Description

The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper length validation and an "unchecked buffer," leading to off-by-one and heap-based buffer overflows.

Frequently asked questions

What is CVE-2004-0574?: The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper length validation and an "unchecked buffer," leading to off-by-one and heap-based buffer overflows.
How severe is CVE-2004-0574?: CVE-2004-0574 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0574 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 68% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0574?: CVE-2004-0574 primarily affects Microsoft Exchange Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0574?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0574 published?: CVE-2004-0574 was published on 2004-11-03 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2003:-:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:-:-:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:server:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:r2:*:*:*:*:*:*:*

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