CVE-2001-1122 json
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 t…
published 2001-08-03 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-1103
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- securityfocus.com/archive/1/201722 advisory
Timeline
- First public exploit (EDB-21047)
- Published
Exploit prediction
3.74% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-21047 Microsoft Windows NT 4.0 - NT4ALL Denial of Service dos, 2001-08-03
- securityfocus.com http://www.securityfocus.com/archive/1/201722 referenced PoC, tagged "exploit" by a source, unverified
- securityfocus.com http://www.securityfocus.com/bid/3144 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
References
-
securityfocus.com
/archive/1/201722
mailing-list, exploit, patch, vendor-advisory
-
securityfocus.com
/bid/3144
vdb-entry, exploit, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/6943
vdb-entry
Sources
- CVE List CVE-2001-1122
- NVD CVE-2001-1122
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.