CVE-2020-24395

CVSS V2 High 7.2 CVSS V3 Medium 6.8
Description
The USB firmware update script of homee Brain Cube v2 (2.28.2 and 2.28.4) devices allows an attacker with physical access to install compromised firmware. This occurs because of insufficient validation of the firmware image file and can lead to code execution on the device.
Overview
  • CVE ID
  • CVE-2020-24395
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-20T14:15:07
  • Last Modified Date
  • 2021-06-03T16:43:15
Weakness Enumerations
CWE URL
CWE-345 http://cwe.mitre.org/data/definitions/345.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:hom.ee:brain_cube_core:2.28.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:hom.ee:brain_cube_core:2.28.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:hom.ee:brain_cube:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • PHYSICAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.8
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.syss.de/pentest-blog/ Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-026.txt Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-24395
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24395
History
Created Old Value New Value Data Type Notes
2022-05-10 16:13:43 Added to TrackCVE
2022-12-05 02:40:33 2021-05-20T14:15Z 2021-05-20T14:15:07 CVE Published Date updated
2022-12-05 02:40:33 2021-06-03T16:43:15 CVE Modified Date updated
2022-12-05 02:40:33 Analyzed Vulnerability Status updated