Medium severity5.9NVD Advisory· Published Aug 30, 2021· Updated Jun 17, 2026
CVE-2021-39272
CVE-2021-39272
Description
Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22- Fetchmail/Fetchmaildescription
- osv-coords20 versionspkg:rpm/almalinux/fetchmailpkg:rpm/opensuse/fetchmail&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/fetchmail&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/fetchmail&distro=openSUSE%20Tumbleweedpkg:rpm/suse/fetchmail&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/fetchmail&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1
< 6.4.24-1.el8+ 19 more
- (no CPE)range: < 6.4.24-1.el8
- (no CPE)range: < 6.3.26-lp152.6.9.1
- (no CPE)range: < 6.3.26-20.17.1
- (no CPE)range: < 6.4.22-1.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.3.26-20.17.1
- (no CPE)range: < 6.3.26-20.17.1
- (no CPE)range: < 6.3.26-20.17.1
- (no CPE)range: < 6.3.26-20.17.1
- (no CPE)range: < 6.3.26-13.15.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.3.26-13.15.1
- (no CPE)range: < 6.4.22-20.20.1
- (no CPE)range: < 6.4.22-20.20.1
Patches
Vulnerability mechanics
References
7- www.openwall.com/lists/oss-security/2021/08/27/3nvdMailing ListThird Party Advisory
- nostarttls.secvuln.infonvdThird Party Advisory
- security.gentoo.org/glsa/202209-14nvdThird Party Advisory
- www.fetchmail.info/security.htmlnvdVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3XJ6XLEJCEZCAM5LGGD6XBCC522QLG4/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXMKSEHAQSEDCWZMAOJEGX3P3JW6QY6H/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYCYLL73NP7ALJWSDICIVSA47ZIXWSSA/nvd
News mentions
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