CVE-2023-4818

7.6 highEPSS 0.7%

High (7.6) in paxtechnology paydroid. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.6 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-74
Published: 2024-01-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

paxtechnology:paydroid

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
https://blog.stmcyber.com/pax-pos-cves-2023/

Check your stack JSON