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SAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization checks for an authenticated user, resulting in escalation of privileges. Depending on the application and the level of privileges acquired, an attacker could abuse functionality restricted to a particular user group as well as read, modify or delete restricted data.
Use CWE-863, Sap vendor hub and Commoncryptolib product page to widen CVE-2023-40309 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2023-40308, CVE-2021-38177 and CVE-2014-8587 for nearby disclosures in the same product family. Additional editorial context is available in The Weekly Cybersecurity Brief: February 13th, 2026.