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CVE-2008-6984
Plesk 8.6.0, when short mail login names (SHORTNAMES) are enabled, allows remote attackers to bypass authentication and send spam e-mail…
Medium5.8EPSS 1.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.4% · top 28% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- 1020801 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- plesk-shortnames-security-bypass(44856) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 30956 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20080831 Plesk 8.6.0 authentication flaw allows to gain virtual user priviledges (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 51652 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .