CVE-2022-36945: The Remote Keyless Entry (RKE) receiving unit on certain Mazda vehicles through 2020 allows remote attackers t

Q: How do I fix CVE-2022-36945?

mazda firmware: upgrade to newer than 2020. Exact commands for each OS are on this page.

Q: Is CVE-2022-36945 being exploited?

CVE-2022-36945 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-36945 affect?

CVE-2022-36945 affects mazda firmware. Severity is medium (CVSS 6.4). 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,

Q: How urgent is CVE-2022-36945?

Priority 42/100. Public exploit reference

This month

MEDIUM 6.4UPGRADE

CVE-2022-36945 is a medium-severity flaw (CVSS 6.4) affecting mazda firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-294
Published	2022-08-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mazda

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-24 06:15 UTCPublished CVE record published
2026-06-17 04:54 UTCUpdated Record last modified

mazda mazda firmware UPGRADE

Affected: <= 2020

Fixed in: newer than 2020

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36945?

mazda firmware: upgrade to newer than 2020. Exact commands for each OS are on this page.

Is CVE-2022-36945 being exploited?

CVE-2022-36945 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36945 affect?

CVE-2022-36945 affects mazda firmware. Severity is medium (CVSS 6.4). 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,

How urgent is CVE-2022-36945?

Priority 42/100. Public exploit reference

Related CVEs

CVE-2023-32219 MEDIUM 6.5 MITIGATE A Mazda model (2015-2016) can be unlocked via an unspecified method.

References

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