CVE-2016-8652

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

48.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.8% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-02-16 18:00Z9 YR AGO

Last updated

2024-08-06 02:27Z2 YR AGO

Reserved

2016-10-12

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

b002f15d7d42dc66d08178e8399e0f2ffd5a1e3848a564ffed91b036c38018a9

• www.securityfocus.com94639http://www.securityfocus.com/bid/94639vdb-entryx_refsource_BID
• www.openwall.com[oss-security] 20161202 Important vulnerability in Dovecot (CVE-2016-8652)http://www.openwall.com/lists/oss-security/2016/12/02/4mailing-listx_refsource_MLIST
• dovecot.org[dovecot-news] 20161203 v2.2.27 releasedhttp://dovecot.org/pipermail/dovecot-news/2016-December/000333.htmlmailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20161205 Re: Important vulnerability in Dovecot (CVE-2016-8652)http://www.openwall.com/lists/oss-security/2016/12/05/12mailing-listx_refsource_MLIST