Description
Plesk 8.6.0, when short mail login names (SHORTNAMES) are enabled, allows remote attackers to bypass authentication and send spam e-mail via a message with (1) a base64-encoded username that begins with a valid shortname, or (2) a username that matches a valid password, as demonstrated using (a) SMTP and qmail, and (b) Courier IMAP and POP3.
Metrics
CVSS 2.0 5.8/10
AV:N/AC:M/Au:N/C:P/I:P/A:NWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Aug 19, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified