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CVE-2020-28200

Published: Jun 28, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-770
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
2.0%
Top 22.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-770

Affected Products

dovecotdovecot
On-premWeb App
Communications / email-server-client
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
n/an/a
DovecotTimo Sirainen
On-prem
Communications / email-server-client
dovecotoss-projectCommunicationsaka dovecot, pigeonhole
fedoraprojectoss-projectUSOperating Systemsaka fedora project
timo sirainenindividual-devCommunications

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://dovecot.org/security
dovecot.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
lists.fedoraproject.org
and 3 more references View all →

Timeline

Published
Jun 28, 2021
Last Updated
Nov 21, 2024

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