CVE-2020-14093

Mutt before 1.14.3 allows an IMAP fcc/postpone man-in-the-middle attack via a PREAUTH response.

• CWE-319

• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00064.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00070.htmlMailing List, Third Party Advisory
• http://www.mutt.orgVendor Advisory
• https://bugs.gentoo.org/728300Third Party Advisory
• https://github.com/muttmua/mutt/commit/3e88866dc60b5fa6aaba6fd7c1710c12c1c3cd01Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00039.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00040.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202007-57Third Party Advisory
• https://usn.ubuntu.com/4401-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4707Third Party Advisory
• https://www.debian.org/security/2020/dsa-4708Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00064.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00070.htmlMailing List, Third Party Advisory
• http://www.mutt.orgVendor Advisory
• https://bugs.gentoo.org/728300Third Party Advisory
• https://github.com/muttmua/mutt/commit/3e88866dc60b5fa6aaba6fd7c1710c12c1c3cd01Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00039.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00040.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202007-57Third Party Advisory
• https://usn.ubuntu.com/4401-1/Third Party Advisory
• https://www.debian.org/security/2020/dsa-4707Third Party Advisory
• https://www.debian.org/security/2020/dsa-4708Third Party Advisory

Published

Jun 15, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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