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CVE-2020-10967
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty…
Medium5.3EPSS 8.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.0 | Medium5.3 | CVSS:3.0/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 8.2% · top 5.1% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
References (13)
- https://dovecot.org/security (opens in a new tab)x_refsource_MISCx_transferred
- https://www.openwall.com/lists/oss-security/2020/05/18/1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20200518 Multiple vulnerabilities in Dovecot IMAP server (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4361-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 20200519 Multiple vulnerabilities in Dovecot IMAP server (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html (opens in a new tab)x_refsource_MISCx_transferred
- DSA-4690 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2020-1dee17d880 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2020:0720 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2020-b60344c987 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-cd8b8f887b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-b8ebc4201e (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-d737c57172 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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-2020-10967)Record last updated .