CVE-2020-28896
Medium
Description
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 authenticate. This could result in authentication credentials being exposed on an unencrypted connection, or to a machine-in-the-middle.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mutt
PublishedNov 23, 2020
First seenNov 23, 2020
How to fix
Update
- mutt mutt2.0.2 or later
- neomutt neomutt2020-11-20 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mutt mutt | v < 2.0.2 | 2.0.2 |
| neomutt neomutt | v < 2020-11-20 | 2020-11-20 |
| debian debian_linux | 9.0 | — |
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