VULNERABILITY INTELLIGENCE
CVE-2008-6984
CVSS score5.8 MEDIUM
EPSS probability1.35%
CISA KEVNot currently listed
Published2009-08-19
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:N
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.
Weakness classification
- CWE-287: Improper Authentication