Vulnerability in Microsoft Windows Nt
CVE-1999-1127
Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the "Named Pipes Over RPC" vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.177 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.177 · newest: 0.177 · change: 0.000
Affected products
- Microsoft Windows Nt — versions 4.0
Weakness classification (CWE)
References
- support.microsoft.com/support/kb/articles/Q195/7/33.asp (vendor-advisory, Patch, Broken Link, Vendor Advisory)
- www.iss.net/security_center/static/523.php (vdb-entry, Broken Link)
- docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-017 (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-1999-1127?
- CVE-1999-1127 is a high-severity vulnerability in Microsoft Windows Nt, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 1999-12-31.
- How severe is CVE-1999-1127?
- High severity. CVSS v3 base score is 7.5 out of 10.