CVSS 3.1 Score 7.1 of 10 (high)


Published Aug 8, 2023
Updated: Apr 12, 2024
CWE ID 287
CWE ID 320


CVE-2023-21626 is a cryptographic vulnerability that affects HLOS (High-Level Operating System). The vulnerability arises from improper authentication during key velocity checks using multiple keys. The risk score for this vulnerability is 25, indicating a high level of severity. The base severity is also rated as high, with a score of 7.1. The privilege required for exploitation is low, and no user interaction is necessary. The attack vector is local, and the impact on integrity and confidentiality is high. The availability impact, however, is none. Remediation steps have not been provided in the information given.


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