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CVE-2016-8652
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service…
Medium5.9EPSS 48.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 48.2% · top 1.1% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 94639 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20161202 Important vulnerability in Dovecot (CVE-2016-8652) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [dovecot-news] 20161203 v2.2.27 released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20161205 Re: Important vulnerability in Dovecot (CVE-2016-8652) (opens in a new tab)mailing-listx_refsource_MLISTx_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)
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[](https://trackcve.app/cve/CVE-2016-8652)Record last updated .