7.5CVSSHIGH
Description
imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Initial Access
References
http://cyrusimap.org/mediawiki/index.php/Latest_Updates
cyrusimap.org
http://git.cyrusimap.org/cyrus-imapd/commit/?id=77903669e04c9788460561dd0560b9c916519594
git.cyrusimap.org
http://secunia.com/advisories/46093
secunia.com
and 6 more references View all →
Timeline
Published
Dec 24, 2011
Last Updated
Apr 29, 2026
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