How severe is CVE-2001-1122?

CVE-2001-1122 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2001-1122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1122?

CVE-2001-1122 primarily affects Microsoft Windows Nt. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1122?

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

When was CVE-2001-1122 published?

CVE-2001-1122 was published on 2001-08-03 and last updated on 2026-06-16.

CVE-2001-1122

CVE-2001-1122 is a low-severity vulnerability in Microsoft Windows Nt 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.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows Nt
Published: 2001-08-03
Last modified: 2026-06-16

Description

Windows NT 4.0 SP 6a allows a local user with write access to winnt/system32 to cause a denial of service (crash in lsass.exe) by running the NT4ALL exploit program in 'SPECIAL' mode.

Frequently asked questions

What is CVE-2001-1122?: Windows NT 4.0 SP 6a allows a local user with write access to winnt/system32 to cause a denial of service (crash in lsass.exe) by running the NT4ALL exploit program in 'SPECIAL' mode.
How severe is CVE-2001-1122?: CVE-2001-1122 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2001-1122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1122?: CVE-2001-1122 primarily affects Microsoft Windows Nt. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1122 published?: CVE-2001-1122 was published on 2001-08-03 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp4:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp5:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp6:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:*:*:*:*:*:*

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