How severe is CVE-2002-0367?

CVE-2002-0367 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2002-0367 being actively exploited?

Yes. CVE-2002-0367 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2002-0367?

CVE-2002-0367 primarily affects Microsoft Windows 2000. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2002-0367 have an EU (EUVD) identifier?

Yes. CVE-2002-0367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2002-0364. It is also flagged as exploited in the EUVD (since 2022-03-03).

When was CVE-2002-0367 published?

CVE-2002-0367 was published on 2002-06-25 and last updated on 2026-06-16.

CVE-2002-0367

CVE-2002-0367 is a high-severity vulnerability in Microsoft Windows 2000 with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-03). The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-03-03)
EU (EUVD) id: EUVD-2002-0364
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-03)
Weakness: CWE-269
Affected product: Microsoft Windows 2000
Published: 2002-06-25
Last modified: 2026-06-16

Description

smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges by duplicating a handle to a privileged process, as demonstrated by DebPloit.

Frequently asked questions

What is CVE-2002-0367?: smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges by duplicating a handle to a privileged process, as demonstrated by DebPloit.
How severe is CVE-2002-0367?: CVE-2002-0367 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2002-0367 being actively exploited?: Yes. CVE-2002-0367 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2002-0367?: CVE-2002-0367 primarily affects Microsoft Windows 2000. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2002-0367 have an EU (EUVD) identifier?: Yes. CVE-2002-0367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2002-0364. It is also flagged as exploited in the EUVD (since 2022-03-03).
When was CVE-2002-0367 published?: CVE-2002-0367 was published on 2002-06-25 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:terminal_server:*:*:*

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