CVE-2023-4818

CVSS 7.6 HIGHEPSS 0.7%CWE-74

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.6EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

15 Jan 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used. The attacker must have physical USB access to the device in order to exploit this vulnerability.

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

Affected products

PAX Technology · A920

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References

https://blog.stmcyber.com/pax-pos-cves-2023/https://cert.pl/en/posts/2024/01/CVE-2023-4818/https://cert.pl/posts/2024/01/CVE-2023-4818/https://ppn.paxengine.com/release/development