Search for vulnerabilities
Vulnerability details: VCID-m9t9-6w7g-n3cq
Vulnerability ID VCID-m9t9-6w7g-n3cq
Aliases CVE-2021-39272
Summary Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-319 Cleartext Transmission of Sensitive Information
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39272.json
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
epss 0.0011 https://api.first.org/data/v1/epss?cve=CVE-2021-39272
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-39272
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2021-39272
archlinux Medium https://security.archlinux.org/AVG-2326
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39272.json
https://api.first.org/data/v1/epss?cve=CVE-2021-39272
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39272
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3XJ6XLEJCEZCAM5LGGD6XBCC522QLG4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXMKSEHAQSEDCWZMAOJEGX3P3JW6QY6H/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYCYLL73NP7ALJWSDICIVSA47ZIXWSSA/
https://security.gentoo.org/glsa/202209-14
https://www.fetchmail.info/security.html
http://www.openwall.com/lists/oss-security/2021/08/27/3
1999190 https://bugzilla.redhat.com/show_bug.cgi?id=1999190
993163 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993163
AVG-2326 https://security.archlinux.org/AVG-2326
cpe:2.3:a:fetchmail:fetchmail:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fetchmail:fetchmail:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-39272 https://nvd.nist.gov/vuln/detail/CVE-2021-39272
RHSA-2022:1964 https://access.redhat.com/errata/RHSA-2022:1964
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39272.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-39272
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-39272
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.30156
EPSS Score 0.0011
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:42:12.634978+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.20/community.json 37.0.0