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CVE-2020-28200
Component Overview
Vulnerability Overview
Name
CVE-2020-28200
Source
NVD (
link
)
Debian (
link
)
Description
The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension.
CWEs
CWE-770
Published Date
Jun 28, 2021
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://dovecot.org/security
Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/06/28/3
Mailing List
https://dovecot.org/security
Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/06/28/3
Mailing List
Analysis
#
Affected Component
Analysis
dovecot
Exploitable
Vulnerability Ratings
#
4.3
CVSSv31
4.3
CVSSv31
4
CVSSv2
Others affected components
#
Name
Project
Project Version
Version
Status
dovecot
buildroot
2025.02.x
2.3.21.1
Not Affected
dovecot
buildroot
master
2.3.21.1
Not Affected
dovecot
openwrt
master
2.3.21-r1
Not Affected
dovecot
openwrt
openwrt-25.12
2.3.21-r1
Not Affected
dovecot
yocto
master
2.4.4
Not Affected
dovecot
yocto
scarthgap
2.3.21.1
Not Affected