Executive Summary

Informations
Name CVE-2021-38173 First vendor Publication 2021-08-07
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38173

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-77 Improper Sanitization of Special Elements used in a Command ('Command Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1
Os 2

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://github.com/digint/btrbk/blob/master/ChangeLog
MISC https://github.com/digint/btrbk/commit/58212de771c381cd4fa05625927080bf264e9584
MLIST https://lists.debian.org/debian-lts-announce/2021/09/msg00002.html

Alert History

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Date Informations
2023-11-07 21:34:20
  • Multiple Updates
2022-03-25 17:23:10
  • Multiple Updates
2022-01-19 09:23:22
  • Multiple Updates
2021-09-15 00:23:05
  • Multiple Updates
2021-09-06 09:22:57
  • Multiple Updates
2021-08-17 21:23:14
  • Multiple Updates
2021-08-09 17:22:48
  • Multiple Updates
2021-08-08 00:22:46
  • First insertion