Vulnerability Report

CVE-2023-4818

Title: Paxtechnology A920 Injection (SQLi/OSi)

Injection (SQLi/OSi)

Proof Of Concept

No public PoC currently indexed for CVE-2023-4818.

CWE Category CWE-74
Published Date Jan 15, 2024
Modified Date Jun 17, 2025
Exploit Status Not Found
Score 7.6 CVSS v3.1
Exploit Probability (EPSS)
0.32%

Vulnerability Summary

CVE-2023-4818: 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.

Impacted Vendors

P
paxtechnology 1

Reference Links

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/ 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
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.6
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.6
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-4818 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.