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CVE-2023-4818
Published: Jan 15, 2024
Modified: Jun 17, 2025
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
PAX Technology | A920 | affected 0 - < A920_AP_Boot_Release_V5.14 |
Weaknesses (CWE)
References
https://ppn.paxengine.com/release/development
vendor-advisory
https://blog.stmcyber.com/pax-pos-cves-2023/
technical-description
https://cert.pl/en/posts/2024/01/CVE-2023-4818/
third-party-advisory
https://cert.pl/posts/2024/01/CVE-2023-4818/
third-party-advisory
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