CVE-2021-46145

CVSS V2 Low 2.9 CVSS V3 Medium 5.3
Description
The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is related to a non-expiring rolling code and counter resynchronization.
Overview
  • CVE ID
  • CVE-2021-46145
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-06T06:15:07
  • Last Modified Date
  • 2022-01-18T17:43:12
Weakness Enumerations
CWE URL
CWE-294 http://cwe.mitre.org/data/definitions/294.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:h:honda:civic_2012:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 2.9
  • Severity
  • LOW
  • Exploitability Score
  • 5.5
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://twitter.com/Kevin2600/status/1475482656871571459?s=20 Third Party Advisory
http://starvlab.qianxin.com/?p=409 Third Party Advisory
https://twitter.com/Kevin2600/status/1472070749208780804?s=20 Third Party Advisory
https://tiger-team-1337.blogspot.com/2022/01/honda-civic-keyfob-system-affected-by.html Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-46145
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46145
History
Created Old Value New Value Data Type Notes
2022-05-10 06:37:11 Added to TrackCVE
2022-12-06 05:46:04 2022-01-06T06:15Z 2022-01-06T06:15:07 CVE Published Date updated
2022-12-06 05:46:04 2022-01-18T17:43:12 CVE Modified Date updated
2022-12-06 05:46:04 Analyzed Vulnerability Status updated