CVE-2022-36945
CVE-2022-36945 is a medium-severity vulnerability in Mazda Mazda Firmware with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.
Key facts
- Severity: Medium (CVSS 3.x base score 6.4)
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-294
- Affected product: Mazda Mazda Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 capturing three consecutive valid key-fob signals over the radio, aka a RollBack attack. The attacker retains the ability to unlock indefinitely.
- How severe is CVE-2022-36945?
- CVE-2022-36945 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2022-36945 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-36945?
- CVE-2022-36945 affects Mazda Mazda Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-36945?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-36945 published?
- CVE-2022-36945 was published on 2022-08-24 and last updated on 2026-06-17.
References
- https://hackaday.com/2022/08/17/rollback-breaks-into-your-car/
- https://medium.com/codex/rollback-a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-df5f99ba9490
- https://www.blackhat.com/us-22/briefings/schedule/#rollback---a-new-time-agnostic-replay-attack-against-the-automotive-remote-keyless-entry-systems-27185
- https://www.pcmag.com/news/is-your-car-key-fob-vulnerable-to-this-simple-replay-attack
- https://www.youtube.com/playlist?list=PLYodcy84oQL1gxwiuRm13xRXxTQL9cO5t
Affected products (1)
- cpe:2.3:o:mazda:mazda_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Mazda Mazda Firmware
- CVE-2023-32219 — Medium (CVSS 6.5): A Mazda model (2015-2016) can be unlocked via an unspecified method.
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