CRITICAL · 9.8

CVE-2019-18928

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived ...

Vulnerability Description

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CyrusImap>= 2.5.0, < 2.5.14
FedoraprojectFedora30
DebianDebian Linux9.0

References

FAQ

What is CVE-2019-18928?

CVE-2019-18928 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived ...

How severe is CVE-2019-18928?

CVE-2019-18928 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-18928?

Check the references section above for vendor advisories and patch information. Affected products include: Cyrus Imap, Fedoraproject Fedora, Debian Debian Linux.