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ubuntucveUbuntu.comUB:CVE-2020-28200
HistoryJun 21, 2021 - 12:00 a.m.

CVE-2020-28200

2021-06-2100:00:00
ubuntu.com
ubuntu.com
19
sieve engine
dovecot
uncontrolled resource consumption
regular expression
regex extension

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.

Bugs

Notes

Author Note
mdeslaur per upstream, fixing this is a massive change that cannot be backported to earlier releases

Related

cve 1
redhatcve 1
nessus 9
openvas 9
osv 2
hackerone 1
cvelist 1
freebsd 1
cbl_mariner 1
prion 1
nvd 1
debiancve 1
archlinux 1
fedora 2
mageia 1
suse 2
cve
cve
CVE-2020-28200
2021-06-28 13:15:12
redhatcve
redhatcve
CVE-2020-28200
2021-06-21 14:59:18
nessus
nessus
FreeBSD : dovecot-pigeonhole -- Sieve excessive resource usage (f3fc2b50-d36a-11eb-a32c-00a0989e4ec1)
2021-06-25 00:00:00
RHEL 8 : dovecot (Unpatched Vulnerability)
2024-06-03 00:00:00
SUSE SLES15 Security Update : dovecot23 (SUSE-SU-2021:2892-1)
2021-09-01 00:00:00
openvas
openvas
Dovecot 1.2.0 - 2.3.14 DoS Vulnerability
2021-06-28 00:00:00
Mageia: Security Advisory (MGASA-2021-0557)
2022-01-28 00:00:00
Fedora: Security Advisory for dovecot (FEDORA-2021-208340a217)
2021-07-06 00:00:00
osv
osv
CVE-2020-28200
2021-06-28 13:15:12
dovecot23-2.3.16-1.6 on GA media
2024-06-15 00:00:00
hackerone
hackerone
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).
2020-09-23 18:55:31
cvelist
cvelist
CVE-2020-28200
2021-06-28 12:08:46
freebsd
freebsd
dovecot-pigeonhole -- Sieve excessive resource usage
2020-09-23 00:00:00
cbl_mariner
cbl_mariner
CVE-2020-28200 affecting package dovecot for versions less than 2.3.20-1
2023-09-28 11:57:58
prion
prion
Code injection
2021-06-28 13:15:00
nvd
nvd
CVE-2020-28200
2021-06-28 13:15:12
debiancve
debiancve
CVE-2020-28200
2021-06-28 13:15:12
archlinux
archlinux
[ASA-202106-57] pigeonhole: denial of service
2021-06-22 00:00:00
fedora
fedora
[SECURITY] Fedora 33 Update: dovecot-2.3.15-1.fc33
2021-07-05 01:36:13
[SECURITY] Fedora 34 Update: dovecot-2.3.15-1.fc34
2021-07-05 01:33:52
mageia
mageia
Updated dovecot packages fix security vulnerabilities
2021-12-19 15:26:08
suse
suse
Security update for dovecot23 (moderate)
2021-09-01 00:00:00
Security update for dovecot23 (moderate)
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 UB:CVE-2020-28200
cve1redhatcve1nessus9openvas9osv2hackerone1cvelist1freebsd1cbl_mariner1prion1nvd1debiancve1archlinux1fedora2mageia1suse2