CVE-2008-6984

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-08-19 · updated 2026-06-16
Weakness: CWE-287

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.

Affected products

Parallels Plesk: 8.6.0

References

http://www.osvdb.org/51652
http://www.securityfocus.com/archive/1/495881
http://www.securityfocus.com/bid/30956
http://www.securitytracker.com/id?1020801
https://exchange.xforce.ibmcloud.com/vulnerabilities/44856
http://www.osvdb.org/51652
http://www.securityfocus.com/archive/1/495881
http://www.securityfocus.com/bid/30956
http://www.securitytracker.com/id?1020801
https://exchange.xforce.ibmcloud.com/vulnerabilities/44856

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