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Vulnerability Score 5.8 5.8
CVE Id CVE-2008-6984
Last Modified 28 Sep 2009 12:00:00
Published 19 Aug 2009 01:24:52
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact NONE NONE
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE



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.

Vulnerable Systems


  • Parallels Plesk 8.6.0


XF - plesk-shortnames-security-bypass(44856)

SECTRACK - 1020801

BID - 30956

BUGTRAQ - 20080831 Plesk 8.6.0 authentication flaw allows to gain virtual user priviledges

OSVDB - 51652

Last Updated: 27 May 2016 10:49:25