What’s Vulnerable › Vulnerabilities

CVE-1999-0969

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 13.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2000-01-04 · updated 2026-06-16

Description

The Windows NT RPC service allows remote attackers to conduct a denial of service using spoofed malformed RPC packets which generate an error message that is sent to the spoofed host, potentially setting up a loop, aka Snork.

Affected products

• Microsoft Windows Nt: 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3

References

• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ193233
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-014
• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ193233
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-014

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