VDB

CVE-2020-28200

CVE-2020-28200 PUBLISHED CVSS 4.300000190734863 MEDIUM

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.

EPSS 1.97% · 79.8th percentile

Risk Scores

CVSS 3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS Score
1.97%
79.8th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:14.04:LTSdovecot0, 1:2.1.7-7ubuntu3, 1:2.2.9-1ubuntu1
Ubuntu:16.04:LTSdovecot1:2.2.22-1ubuntu2.12, 0, 1:2.2.22-1ubuntu2.14
Ubuntu:20.04:LTSdovecot0, 1:2.3.4.1-5ubuntu3, 1:2.3.7.2-1ubuntu1
Ubuntu:18.04:LTSdovecot0, 1:2.2.33.2-1ubuntu2, 1:2.2.33.2-1ubuntu4.2

Timeline

  • Jun 21, 2021 CVE Published
  • Jun 29, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Mar 18, 2025 EPSS Score
  • Mar 19, 2025 EPSS Score
  • Mar 20, 2025 EPSS Score
  • Mar 24, 2025 EPSS Score
  • Mar 29, 2025 EPSS Score
  • Mar 30, 2025 EPSS Score
  • Apr 18, 2025 EPSS Score
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