CVE-2016-8652 describes a denial-of-service vulnerability in Dovecot versions prior to 2.2.27, specifically within its authentication component when auth-policy is enabled. A remote attacker can trigger a crash by aborting authentication without providing a username. This medium-severity vulnerability has a CVSS score of 5.9, indicating a high impact on availability with low attack complexity, but there is no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.2.27CPE matchmatch criteria | cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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