Improper input validation in Microsoft Windows Nt
CVE-1999-0995
Windows NT Local Security Authority (LSA) allows remote attackers to cause a denial of service via malformed arguments to the LsaLookupSids function which looks up the SID, aka "Malformed Security Identifier Request."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.218 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.218 · newest: 0.218 · change: 0.000
Affected products
- Microsoft Windows Nt — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.microsoft.com/default.aspx (vendor-advisory)
- docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-057 (vendor-advisory)
- www.securityfocus.com/bid/875 (vdb-entry)
Frequently asked questions
- What is CVE-1999-0995?
- CVE-1999-0995 is a vulnerability in Microsoft Windows Nt, classified under Improper Input Validation. Published 1999-12-16.
- Is CVE-1999-0995 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.