CVE-2024-5684: id.charger pro (CVSS 6.3)

Description

An attacker with access to the private network (the charger is connected to) or local access to the Ethernet-Interface can exploit a faulty implementation of the JWT-library in order to bypass the password authentication to the web configuration interface and then has full access as the user would have. However, an attacker will not have developer or admin rights. If the implementation of the JWT-library is wrongly configured to accept "none"-algorithms, the server will pass insecure JWT. A local, unauthenticated attacker can exploit this vulnerability to bypass the authentication mechanism.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-345 CWE-345

Affected Products

Vendor	Product	Versions
vw	id.charger_connect_firmware	All
vw	id.charger_connect_firmware	All
vw	id.charger_connect_firmware	All
vw	id.charger_connect	All
vw	id.charger_pro_firmware	All
vw	id.charger_pro_firmware	All
vw	id.charger_pro_firmware	All
vw	id.charger_pro	All

References

Other References

https://asrg.io/security-advisories/vulnerability-in-id-charger-connect-and-pro-from-volkswagen-group-charging-gmbh-elli-evbox-versions-spr3-2b-spr3-51-and-spr3-52/ https://asrg.io/security-advisories/vulnerability-in-id-charger-connect-and-pro-from-volkswagen-group-charging-gmbh-elli-evbox-versions-spr3-2b-spr3-51-and-spr3-52/

Frequently Asked Questions

What is CVE-2024-5684? +

An attacker with access to the private network (the charger is connected to) or local access to the Ethernet-Interface can exploit a faulty implementation of the JWT-library in order to bypass the password authentication to the web configuration interface and then has full access as the user would have. However, an attacker will not have developer or admin rights. If the implementation of the JWT-library is wrongly configured to accept "none"-algorithms, the server will pass insecure JWT. A local, unauthenticated attacker can exploit this vulnerability to bypass the authentication mechanism. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2024-5684? +

CVE-2024-5684 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-5684? +

CVE-2024-5684 affects products from vw, specifically: id.charger_connect, id.charger_connect_firmware, id.charger_pro, id.charger_pro_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-5684? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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