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Status published
Critical
CVE-2021-38173
Btrbk before 0.31.2 allows command execution because of the mishandling...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584
- https://github.com/digint/btrbk/blob/master/ChangeLog
- https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/
Affected Vendor
digint
View all reports →Affected Software
btrbk, debian linux, fedora
Vulnerable Versions:
0, 9.0, 34, 35
Timeline
Official Publish:
August 7th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.