{"containers":{"cna":{"affected":[{"product":"PAN-OS","vendor":"Palo Alto Networks","versions":[{"status":"unaffected","version":"10.1.*"},{"changes":[{"at":"8.1.19","status":"unaffected"}],"lessThan":"8.1.19","status":"affected","version":"8.1","versionType":"custom"},{"changes":[{"at":"9.0.14","status":"unaffected"}],"lessThan":"9.0.14","status":"affected","version":"9.0","versionType":"custom"},{"changes":[{"at":"10.0.4","status":"unaffected"}],"lessThan":"10.0.4","status":"affected","version":"10.0","versionType":"custom"},{"changes":[{"at":"9.1.10","status":"unaffected"}],"lessThan":"9.1.10","status":"affected","version":"9.1","versionType":"custom"}]}],"configurations":[{"lang":"en","value":"There is no specific configuration required for this exposure—all web interface authentication methods are impacted by this issue."}],"credits":[{"lang":"en","value":"Palo Alto Networks thanks Google Security for discovering and reporting this issue."}],"datePublic":"2021-08-11T00:00:00.000Z","descriptions":[{"lang":"en","value":"A cryptographically weak pseudo-random number generator (PRNG) is used during authentication to the Palo Alto Networks PAN-OS web interface. This enables an authenticated attacker, with the capability to observe their own authentication secrets over a long duration on the PAN-OS appliance, to impersonate another authenticated web interface administrator's session. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.4. 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