Medium severity · published Aug 24, 2022
CVE-2022-36945
The Remote Keyless Entry (RKE) receiving unit on certain Mazda vehicles through 2020 allows remote attackers to perform unlock operations and force a resynchronization after…
6.4
CVSS
0.9%
EPSS
No
On KEV
Description
The Remote Keyless Entry (RKE) receiving unit on certain Mazda vehicles through 2020 allows remote attackers to perform unlock operations and force a resynchronization after capturing three consecutive valid key-fob signals over the radio, aka a RollBack attack. The attacker retains the ability to unlock indefinitely.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
Mazda Firmware · Mazda
through 2020 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-36945
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-36945
Exploit
https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/
Exploit
https://medium.com/codex/rollback-a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-df5f99ba9490
Exploit
https://www.blackhat.com/us-22/briefings/schedule/#rollback---a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-27185
Press/Media Coverage
https://www.pcmag.com/news/is-your-car-key-fob-vulnerable-to-this-simple-replay-attack
Exploit
https://www.youtube.com/playlist?list=PLYodcy84oQL1gxwiuRm13xRXxTQL9cO5t
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