CVE-2000-0990

HIGH 7.5CVE-2000-0990 · Published 19/12/2000 · updated 23/09/2026

In short

CVE-2000-0990 is a HIGH (CVSS 7.5) vulnerability affecting cmd5checkpw (krzysztof dabrowski).
Chance of exploitation in the next 30 days (EPSS): 1.6%, higher than 75.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
cmd5checkpw krzysztof_dabrowski	`= 0.20= 0.21`	No fix yet

cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.

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