Vulnerability · Published Jan 15, 2024 · Assigned by CERT-PL
CVE-2023-4818
High 7.6
In plain English
A high-severity injection in A920 from PAX Technology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)7.6High
Exploit odds (30 days)0.7%top 48.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PAX Technology | A920 | 0 – before A920_AP_Boot_Release_V5.14 |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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