CVE-2023-4818

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.6 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 6.0

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://blog.stmcyber.com/pax-pos-cves-2023/ Exploit Third Party Advisory
https://blog.stmcyber.com/pax-pos-cves-2023/ Exploit Third Party Advisory
https://cert.pl/en/posts/2024/01/CVE-2023-4818/ Third Party Advisory
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
https://cert.pl/posts/2024/01/CVE-2023-4818/ Third Party Advisory
https://ppn.paxengine.com/release/development Permissions Required
https://ppn.paxengine.com/release/development Permissions Required
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:paxtechnology:paydroid:7.1.2_aquarius_11.1.50_20230614:*:*:*:*:*:*:*
cpe:2.3:h:paxtechnology:a920:-:*:*:*:*:*:*:*
History

10 Oct 2024, 16:15

Type Values Removed Values Added
Summary 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. 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.

19 Jan 2024, 16:35

Type Values Removed Values Added
First Time Paxtechnology paydroid
Paxtechnology
Paxtechnology a920
CPE cpe:2.3:o:paxtechnology:paydroid:7.1.2_aquarius_11.1.50_20230614:*:*:*:*:*:*:*
cpe:2.3:h:paxtechnology:a920:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.6
CWE CWE-74
References () https://ppn.paxengine.com/release/development - () https://ppn.paxengine.com/release/development - Permissions Required
References () https://cert.pl/en/posts/2024/01/CVE-2023-4818/ - () https://cert.pl/en/posts/2024/01/CVE-2023-4818/ - Third Party Advisory
References () https://cert.pl/posts/2024/01/CVE-2023-4818/ - () https://cert.pl/posts/2024/01/CVE-2023-4818/ - Third Party Advisory
References () https://blog.stmcyber.com/pax-pos-cves-2023/ - () https://blog.stmcyber.com/pax-pos-cves-2023/ - Exploit, Third Party Advisory

15 Jan 2024, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-01-15 14:15

Updated : 2025-06-17 14:15

NVD link : CVE-2023-4818

Mitre link : CVE-2023-4818

JSON object : View

Products Affected

paxtechnology

  • a920
  • paydroid
CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')