PAX Android based POS devices with PayDroid_8.1.0_Sagittarius_V11.1.50_20230614 or earlier can allow the execution of arbitrary commands with system account privilege by shell injection starting with a specific word.

The attacker must have shell access to the device in order to exploit this vulnerability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-42136
• 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