CVE-2020-29440
CVE-2020-29440 is a medium-severity vulnerability in Tesla Model X Firmware with a CVSS 3.x base score of 4.6. 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-295.
Key facts
- Severity: Medium (CVSS 3.x base score 4.6)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Tesla Model X Firmware
- Published:
- Last modified:
Description
Tesla Model X vehicles before 2020-11-23 do not perform certificate validation during an attempt to pair a new key fob with the body control module (BCM). This allows an attacker (who is inside a vehicle, or is otherwise able to send data over the CAN bus) to start and drive the vehicle with a spoofed key fob.
Frequently asked questions
- What is CVE-2020-29440?
- Tesla Model X vehicles before 2020-11-23 do not perform certificate validation during an attempt to pair a new key fob with the body control module (BCM). This allows an attacker (who is inside a vehicle, or is otherwise able to send data over the CAN bus) to start and drive the vehicle with a spoofed key fob.
- How severe is CVE-2020-29440?
- CVE-2020-29440 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2020-29440 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-29440?
- CVE-2020-29440 affects Tesla Model X Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-29440?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-29440 published?
- CVE-2020-29440 was published on 2020-11-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tesla:model_x_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Tesla Model X Firmware
- CVE-2022-27948 — High (CVSS 7.2): Certain Tesla vehicles through 2022-03-26 allow attackers to open the charging port via a 315 MHz RF signal containing…
- CVE-2020-29438 — Medium (CVSS 6.5): Tesla Model X vehicles before 2020-11-23 have key fobs that accept firmware updates without signature verification.…
- CVE-2022-3093 — Medium (CVSS 6.4): This vulnerability allows physical attackers to execute arbitrary code on affected Tesla vehicles. Authentication is…
- CVE-2020-29439 — Medium (CVSS 4.6): Tesla Model X vehicles before 2020-11-23 have key fobs that rely on five VIN digits for the authentication needed for a…
All CVEs affecting Tesla Model X Firmware →
Other CWE-295 (Improper Certificate Validation) vulnerabilities
- CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
- CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
- CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
- CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
- CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
- CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…
Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →