High severity · published Jan 4, 2021
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…
7.5
CVSS
4.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
DO
Dovecot · Dovecot
before 2.3.13 · source: NVD
FE
Fedora · Fedoraproject
32 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25275
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25275
Third Party Advisory
http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html
Mailing List
http://seclists.org/fulldisclosure/2021/Jan/18
Mailing List
http://www.openwall.com/lists/oss-security/2021/01/04/3
Mailing List
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html
Vendor Advisory
https://dovecot.org/security
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
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