VulnerabilityModified
CVE-2020-25275
Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.
HIGH 7.5EPSS 4.66%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.66% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- dovecot/dovecot · debian/debian linux · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jan/18Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/04/3Mailing List, Third Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2021-January/000451.htmlMailing List, Vendor Advisory
- https://dovecot.org/securityVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
- https://security.gentoo.org/glsa/202101-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4825Third Party Advisory
- http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jan/18Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/04/3Mailing List, Third Party Advisory
- https://dovecot.org/pipermail/dovecot-news/2021-January/000451.htmlMailing List, Vendor Advisory
- https://dovecot.org/securityVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
- https://security.gentoo.org/glsa/202101-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4825Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.