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Vulnerability Details CVE-2020-36227
A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score
0.543
EPSS Ranking
97.8%
CVSS Severity
CVSS v3 Score
7.5
CVSS v2 Score
5.0
References
http://seclists.org/fulldisclosure/2021/May/64
http://seclists.org/fulldisclosure/2021/May/65
http://seclists.org/fulldisclosure/2021/May/70
https://bugs.openldap.org/show_bug.cgi?id=9428
https://git.openldap.org/openldap/openldap/-/commit/9d0e8485f3113505743baabf1167e01e4558ccf5
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
https://security.netapp.com/advisory/ntap-20210226-0002/
https://support.apple.com/kb/HT212529
https://support.apple.com/kb/HT212530
https://support.apple.com/kb/HT212531
https://www.debian.org/security/2021/dsa-4845
http://seclists.org/fulldisclosure/2021/May/64
http://seclists.org/fulldisclosure/2021/May/65
http://seclists.org/fulldisclosure/2021/May/70
https://bugs.openldap.org/show_bug.cgi?id=9428
https://git.openldap.org/openldap/openldap/-/commit/9d0e8485f3113505743baabf1167e01e4558ccf5
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
https://security.netapp.com/advisory/ntap-20210226-0002/
https://support.apple.com/kb/HT212529
https://support.apple.com/kb/HT212530
https://support.apple.com/kb/HT212531
https://www.debian.org/security/2021/dsa-4845
Products affected by CVE-2020-36227
Openldap
»
Openldap
»
Version:
N/A
cpe:2.3:a:openldap:openldap:-
Openldap
»
Openldap
»
Version:
2.0
cpe:2.3:a:openldap:openldap:2.0
Openldap
»
Openldap
»
Version:
2.3.29
cpe:2.3:a:openldap:openldap:2.3.29
Openldap
»
Openldap
»
Version:
2.4
cpe:2.3:a:openldap:openldap:2.4
Openldap
»
Openldap
»
Version:
2.4.10
cpe:2.3:a:openldap:openldap:2.4.10
Openldap
»
Openldap
»
Version:
2.4.11
cpe:2.3:a:openldap:openldap:2.4.11
Openldap
»
Openldap
»
Version:
2.4.12
cpe:2.3:a:openldap:openldap:2.4.12
Openldap
»
Openldap
»
Version:
2.4.13
cpe:2.3:a:openldap:openldap:2.4.13
Openldap
»
Openldap
»
Version:
2.4.14
cpe:2.3:a:openldap:openldap:2.4.14
Openldap
»
Openldap
»
Version:
2.4.15
cpe:2.3:a:openldap:openldap:2.4.15
Openldap
»
Openldap
»
Version:
2.4.16
cpe:2.3:a:openldap:openldap:2.4.16
Openldap
»
Openldap
»
Version:
2.4.17
cpe:2.3:a:openldap:openldap:2.4.17
Openldap
»
Openldap
»
Version:
2.4.18
cpe:2.3:a:openldap:openldap:2.4.18
Openldap
»
Openldap
»
Version:
2.4.19
cpe:2.3:a:openldap:openldap:2.4.19
Openldap
»
Openldap
»
Version:
2.4.20
cpe:2.3:a:openldap:openldap:2.4.20
Openldap
»
Openldap
»
Version:
2.4.21
cpe:2.3:a:openldap:openldap:2.4.21
Openldap
»
Openldap
»
Version:
2.4.22
cpe:2.3:a:openldap:openldap:2.4.22
Openldap
»
Openldap
»
Version:
2.4.23
cpe:2.3:a:openldap:openldap:2.4.23
Openldap
»
Openldap
»
Version:
2.4.24
cpe:2.3:a:openldap:openldap:2.4.24
Openldap
»
Openldap
»
Version:
2.4.25
cpe:2.3:a:openldap:openldap:2.4.25
Openldap
»
Openldap
»
Version:
2.4.26
cpe:2.3:a:openldap:openldap:2.4.26
Openldap
»
Openldap
»
Version:
2.4.27
cpe:2.3:a:openldap:openldap:2.4.27
Openldap
»
Openldap
»
Version:
2.4.28
cpe:2.3:a:openldap:openldap:2.4.28
Openldap
»
Openldap
»
Version:
2.4.29
cpe:2.3:a:openldap:openldap:2.4.29
Openldap
»
Openldap
»
Version:
2.4.30
cpe:2.3:a:openldap:openldap:2.4.30
Openldap
»
Openldap
»
Version:
2.4.31
cpe:2.3:a:openldap:openldap:2.4.31
Openldap
»
Openldap
»
Version:
2.4.32
cpe:2.3:a:openldap:openldap:2.4.32
Openldap
»
Openldap
»
Version:
2.4.33
cpe:2.3:a:openldap:openldap:2.4.33
Openldap
»
Openldap
»
Version:
2.4.34
cpe:2.3:a:openldap:openldap:2.4.34
Openldap
»
Openldap
»
Version:
2.4.35
cpe:2.3:a:openldap:openldap:2.4.35
Openldap
»
Openldap
»
Version:
2.4.36
cpe:2.3:a:openldap:openldap:2.4.36
Openldap
»
Openldap
»
Version:
2.4.37
cpe:2.3:a:openldap:openldap:2.4.37
Openldap
»
Openldap
»
Version:
2.4.38
cpe:2.3:a:openldap:openldap:2.4.38
Openldap
»
Openldap
»
Version:
2.4.39
cpe:2.3:a:openldap:openldap:2.4.39
Openldap
»
Openldap
»
Version:
2.4.40
cpe:2.3:a:openldap:openldap:2.4.40
Openldap
»
Openldap
»
Version:
2.4.41
cpe:2.3:a:openldap:openldap:2.4.41
Openldap
»
Openldap
»
Version:
2.4.42
cpe:2.3:a:openldap:openldap:2.4.42
Openldap
»
Openldap
»
Version:
2.4.43
cpe:2.3:a:openldap:openldap:2.4.43
Openldap
»
Openldap
»
Version:
2.4.44
cpe:2.3:a:openldap:openldap:2.4.44
Openldap
»
Openldap
»
Version:
2.4.45
cpe:2.3:a:openldap:openldap:2.4.45
Openldap
»
Openldap
»
Version:
2.4.46
cpe:2.3:a:openldap:openldap:2.4.46
Openldap
»
Openldap
»
Version:
2.4.46-10.el8
cpe:2.3:a:openldap:openldap:2.4.46-10.el8
Openldap
»
Openldap
»
Version:
2.4.47
cpe:2.3:a:openldap:openldap:2.4.47
Openldap
»
Openldap
»
Version:
2.4.48
cpe:2.3:a:openldap:openldap:2.4.48
Openldap
»
Openldap
»
Version:
2.4.50
cpe:2.3:a:openldap:openldap:2.4.50
Openldap
»
Openldap
»
Version:
2.4.51
cpe:2.3:a:openldap:openldap:2.4.51
Openldap
»
Openldap
»
Version:
2.4.52
cpe:2.3:a:openldap:openldap:2.4.52
Openldap
»
Openldap
»
Version:
2.4.53
cpe:2.3:a:openldap:openldap:2.4.53
Openldap
»
Openldap
»
Version:
2.4.54
cpe:2.3:a:openldap:openldap:2.4.54
Openldap
»
Openldap
»
Version:
2.4.55
cpe:2.3:a:openldap:openldap:2.4.55
Openldap
»
Openldap
»
Version:
2.4.56
cpe:2.3:a:openldap:openldap:2.4.56
Openldap
»
Openldap
»
Version:
2.4.6
cpe:2.3:a:openldap:openldap:2.4.6
Openldap
»
Openldap
»
Version:
2.4.7
cpe:2.3:a:openldap:openldap:2.4.7
Openldap
»
Openldap
»
Version:
2.4.8
cpe:2.3:a:openldap:openldap:2.4.8
Openldap
»
Openldap
»
Version:
2.4.9
cpe:2.3:a:openldap:openldap:2.4.9
Apple
»
Macos
»
Version:
11.1
cpe:2.3:o:apple:macos:11.1
Apple
»
Macos
»
Version:
11.1.0
cpe:2.3:o:apple:macos:11.1.0
Apple
»
Macos
»
Version:
11.2
cpe:2.3:o:apple:macos:11.2
Apple
»
Macos
»
Version:
11.2.1
cpe:2.3:o:apple:macos:11.2.1
Apple
»
Macos
»
Version:
11.3
cpe:2.3:o:apple:macos:11.3
Apple
»
Macos
»
Version:
11.3.1
cpe:2.3:o:apple:macos:11.3.1
Debian
»
Debian Linux
»
Version:
10.0
cpe:2.3:o:debian:debian_linux:10.0
Debian
»
Debian Linux
»
Version:
9.0
cpe:2.3:o:debian:debian_linux:9.0
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