CVSS 3.1 Score 7.8 of 10 (high)


Published Oct 30, 2023
Updated: Nov 4, 2023
CWE ID 862


CVE-2023-21373 is a cyber vulnerability that affects Telephony. It allows a guest user to change the preferred SIM without proper permission checks, potentially leading to local privilege escalation. Exploitation does not require user interaction. The vulnerability has a high severity rating, with a base score of 7.8 out of 10, indicating a significant potential danger to organizations. The impact includes high integrity and confidentiality risks, and the attack vector is local. Remediation measures should focus on implementing proper authorization checks to prevent unauthorized SIM changes by guest users.

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