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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-28200
HistoryJun 28, 2021 - 1:15 p.m.

CVE-2020-28200

2021-06-2813:15:12
Debian Security Bug Tracker
security-tracker.debian.org
16
dovecot
sieve engine
uncontrolled resource consumption
regular expression
regex extension
cve-2020-28200
unix

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS

0.002

Percentile

61.1%

JSON

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.

Related

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nessus 9
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osv 2
hackerone 1
cvelist 1
freebsd 1
cbl_mariner 1
prion 1
nvd 1
archlinux 1
ubuntucve 1
fedora 2
mageia 1
suse 2
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2021-06-28 13:15:12
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Fedora: Security Advisory for dovecot (FEDORA-2021-208340a217)
2021-07-06 00:00:00
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2024-06-15 00:00:00
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Open-Xchange: A malicious user can upload a malicious script through managesieve and trigger its execution in order to consume almost 100% of CPU (LMTP).
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[SECURITY] Fedora 33 Update: dovecot-2.3.15-1.fc33
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[SECURITY] Fedora 34 Update: dovecot-2.3.15-1.fc34
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mageia
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2021-09-01 00:00:00
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2021-09-04 00:00:00

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS

0.002

Percentile

61.1%

JSON
Related for DEBIANCVE:CVE-2020-28200
cve1redhatcve1nessus9openvas9osv2hackerone1cvelist1freebsd1cbl_mariner1prion1nvd1archlinux1ubuntucve1fedora2mageia1suse2