01 Record
CVE-1999-0721
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 8.45% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2000-01-04 05:00Z26 YR AGO
- Last updated
- 2024-08-01 16:48Z2 YR AGO
- Reserved
- 1999-11-25
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 5019e3e467b9e2588587043ebb627c478145d9e0b01201b2236470d3a734305e
05 Affected products
06 References
- www.ciac.orgJ-049http://www.ciac.org/ciac/bulletins/j-049.shtml
- docs.microsoft.comMS99-020https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-020
- support.microsoft.comQ231457http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ231457