#VU87313 Insufficient verification of data authenticity in Kobra 2

Vulnerability identifier: #VU87313

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-345

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kobra 2
Hardware solutions / Firmware

Vendor: Anycubic

Description

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to missing verification of data authenticity when handling API responses from Anycubic Cloud. A remote attacker can send a specially crafted request to the MQTT server located in the cloud and compromise the affected device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kobra 2: before 3.1.0

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External links
https://store.anycubic.com/blogs/news/security-issue-of-anycubic-cloud

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.