CVE-2020-25275
HIGHCVSS 7.5/10EPSS 4.66%
Last modified
CVE-2020-25275 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.66% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | < 2.3.13 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 32 |
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://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://security.gentoo.org/glsa/202101-01Third Party Advisory
- https://www.debian.org/security/2021/dsa-4825Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-25275?
CVE-2020-25275 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.66% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25275?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-25275?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST