Auth bypass in Mutt
CVE-2020-28896
Mutt before 2.0.2 and NeoMutt before 2020-11-20 did not ensure that $ssl_force_tls was processed if an IMAP server's initial server response was invalid. The connection was not properly closed, and the code could continue attempting to aut…
Vulnerability class: Broken Authentication
EPSS: 0.023 (81.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Mutt
- Neomutt
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2020-28896?
- CVE-2020-28896 is a medium-severity vulnerability in Mutt, classified under Improper Authentication. CVSS score: 5.3/10. Published 2020-11-23.
- How severe is CVE-2020-28896?
- Medium severity. CVSS v3 base score is 5.3 out of 10.