CVE-2000-0990 json
cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.
published 2000-12-19 25 y ago modified 2026-09-23 46 d ago also EUVD-2000-0977
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.
Patch / fix
- securityfocus.com/bid/1809 advisory
Exploit prediction
1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
securityfocus.com
/bid/1809
vdb-entry, patch, vendor-advisory
-
archives.neohapsis.com
/archives/bugtraq/2000-10/0258.html
mailing-list, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/5382
vdb-entry
- members.elysium.pl /brush/cmd5checkpw/changes.html
Sources
- CVE List CVE-2000-0990
- NVD CVE-2000-0990
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.