Tesla Model 3 NFC authentication replay

Summaryinfo

A vulnerability categorized as critical has been discovered in Tesla Model 3. Affected by this vulnerability is an unknown functionality of the component NFC Handler. Executing a manipulation can lead to authentication replay. This vulnerability is registered as CVE-2020-15912. The attack needs to be launched locally. No exploit is available. This vulnerability is notable in history due to its background and the response it received. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Tesla Model 3 (Vehicle Software) (affected version unknown). This vulnerability affects an unknown functionality of the component NFC Handler. The manipulation with an unknown input leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

** DISPUTED ** Tesla Model 3 vehicles allow attackers to open a door by leveraging access to a legitimate key card, and then using NFC Relay. NOTE: the vendor has developed Pin2Drive to mitigate this issue.

The weakness was published 07/23/2020. This vulnerability was named CVE-2020-15912 since 07/23/2020. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/11/2024). This vulnerability is assigned to T1040 by the MITRE ATT&CK project. This vulnerability has a historic impact due to its background and reception.

As 0-day the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• Vehicle Software

Vendor

• Tesla

Name

• Model 3

CPE 2.3info

• 🔍

CPE 2.2info

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