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Vulnerability Details CVE-2021-38173
Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering SSH commands using ssh_filter_btrbk.sh in authorized_keys.
Exploit prediction scoring system (EPSS) score
EPSS Score
0.002
EPSS Ranking
42.3%
CVSS Severity
CVSS v3 Score
9.8
CVSS v2 Score
7.5
References
https://github.com/digint/btrbk/blob/master/ChangeLog
https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584
https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/
https://github.com/digint/btrbk/blob/master/ChangeLog
https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584
https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/
Products affected by CVE-2021-38173
Digint
»
Btrbk
»
Version:
0.10
cpe:2.3:a:digint:btrbk:0.10
Digint
»
Btrbk
»
Version:
0.11
cpe:2.3:a:digint:btrbk:0.11
Digint
»
Btrbk
»
Version:
0.12
cpe:2.3:a:digint:btrbk:0.12
Digint
»
Btrbk
»
Version:
0.13
cpe:2.3:a:digint:btrbk:0.13
Digint
»
Btrbk
»
Version:
0.14
cpe:2.3:a:digint:btrbk:0.14
Digint
»
Btrbk
»
Version:
0.15
cpe:2.3:a:digint:btrbk:0.15
Digint
»
Btrbk
»
Version:
0.16
cpe:2.3:a:digint:btrbk:0.16
Digint
»
Btrbk
»
Version:
0.17.0
cpe:2.3:a:digint:btrbk:0.17.0
Digint
»
Btrbk
»
Version:
0.17.1
cpe:2.3:a:digint:btrbk:0.17.1
Digint
»
Btrbk
»
Version:
0.18.0
cpe:2.3:a:digint:btrbk:0.18.0
Digint
»
Btrbk
»
Version:
0.19.0
cpe:2.3:a:digint:btrbk:0.19.0
Digint
»
Btrbk
»
Version:
0.19.1
cpe:2.3:a:digint:btrbk:0.19.1
Digint
»
Btrbk
»
Version:
0.19.2
cpe:2.3:a:digint:btrbk:0.19.2
Digint
»
Btrbk
»
Version:
0.19.3
cpe:2.3:a:digint:btrbk:0.19.3
Digint
»
Btrbk
»
Version:
0.20.0
cpe:2.3:a:digint:btrbk:0.20.0
Digint
»
Btrbk
»
Version:
0.21.0
cpe:2.3:a:digint:btrbk:0.21.0
Digint
»
Btrbk
»
Version:
0.22.0
cpe:2.3:a:digint:btrbk:0.22.0
Digint
»
Btrbk
»
Version:
0.22.1
cpe:2.3:a:digint:btrbk:0.22.1
Digint
»
Btrbk
»
Version:
0.22.2
cpe:2.3:a:digint:btrbk:0.22.2
Digint
»
Btrbk
»
Version:
0.23.0
cpe:2.3:a:digint:btrbk:0.23.0
Digint
»
Btrbk
»
Version:
0.23.1
cpe:2.3:a:digint:btrbk:0.23.1
Digint
»
Btrbk
»
Version:
0.23.2
cpe:2.3:a:digint:btrbk:0.23.2
Digint
»
Btrbk
»
Version:
0.23.3
cpe:2.3:a:digint:btrbk:0.23.3
Digint
»
Btrbk
»
Version:
0.24.0
cpe:2.3:a:digint:btrbk:0.24.0
Digint
»
Btrbk
»
Version:
0.25.0
cpe:2.3:a:digint:btrbk:0.25.0
Digint
»
Btrbk
»
Version:
0.25.1
cpe:2.3:a:digint:btrbk:0.25.1
Digint
»
Btrbk
»
Version:
0.26.0
cpe:2.3:a:digint:btrbk:0.26.0
Digint
»
Btrbk
»
Version:
0.26.1
cpe:2.3:a:digint:btrbk:0.26.1
Digint
»
Btrbk
»
Version:
0.27.0
cpe:2.3:a:digint:btrbk:0.27.0
Digint
»
Btrbk
»
Version:
0.27.1
cpe:2.3:a:digint:btrbk:0.27.1
Digint
»
Btrbk
»
Version:
0.27.2
cpe:2.3:a:digint:btrbk:0.27.2
Digint
»
Btrbk
»
Version:
0.28.0
cpe:2.3:a:digint:btrbk:0.28.0
Digint
»
Btrbk
»
Version:
0.28.1
cpe:2.3:a:digint:btrbk:0.28.1
Digint
»
Btrbk
»
Version:
0.28.2
cpe:2.3:a:digint:btrbk:0.28.2
Digint
»
Btrbk
»
Version:
0.28.3
cpe:2.3:a:digint:btrbk:0.28.3
Digint
»
Btrbk
»
Version:
0.29.0
cpe:2.3:a:digint:btrbk:0.29.0
Digint
»
Btrbk
»
Version:
0.29.1
cpe:2.3:a:digint:btrbk:0.29.1
Digint
»
Btrbk
»
Version:
0.30.0
cpe:2.3:a:digint:btrbk:0.30.0
Digint
»
Btrbk
»
Version:
0.31.0
cpe:2.3:a:digint:btrbk:0.31.0
Digint
»
Btrbk
»
Version:
0.31.1
cpe:2.3:a:digint:btrbk:0.31.1
Debian
»
Debian Linux
»
Version:
9.0
cpe:2.3:o:debian:debian_linux:9.0
Fedoraproject
»
Fedora
»
Version:
34
cpe:2.3:o:fedoraproject:fedora:34
Fedoraproject
»
Fedora
»
Version:
35
cpe:2.3:o:fedoraproject:fedora:35
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