CVE-2022-36945

Name: CVE-2022-36945
Creator: NVD / NIST
Published: 2022-08-24T06:15:07.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2022-36945 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. 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.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.4/10

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H

EPSS Probability

0.90%

54.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-294

Affected Software

Vendor	Product	Versions
Mazda	Mazda Firmware	<= 2020

References

https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/Exploit, Third Party Advisory
https://medium.com/codex/rollback-a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-df5f99ba9490Exploit, Third Party Advisory
https://www.blackhat.com/us-22/briefings/schedule/#rollback---a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-27185Exploit, Third Party Advisory
https://www.pcmag.com/news/is-your-car-key-fob-vulnerable-to-this-simple-replay-attackPress/Media Coverage, Third Party Advisory
https://www.youtube.com/playlist?list=PLYodcy84oQL1gxwiuRm13xRXxTQL9cO5tExploit, Third Party Advisory
https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/Exploit, Third Party Advisory
https://medium.com/codex/rollback-a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-df5f99ba9490Exploit, Third Party Advisory
https://www.blackhat.com/us-22/briefings/schedule/#rollback---a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-27185Exploit, Third Party Advisory
https://www.pcmag.com/news/is-your-car-key-fob-vulnerable-to-this-simple-replay-attackPress/Media Coverage, Third Party Advisory
https://www.youtube.com/playlist?list=PLYodcy84oQL1gxwiuRm13xRXxTQL9cO5tExploit, Third Party Advisory

Timeline

Published: Aug 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-36945?

How severe is CVE-2022-36945?

CVE-2022-36945 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2022-36945?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36945?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST