Description
Airsonic 10.2.1 uses Spring's default remember-me mechanism based on MD5, with a fixed key of airsonic in GlobalSecurityConfig.java. An attacker able to capture cookies might be able to trivially bruteforce offline the passwords of associated users.
Remediation
References
https://github.com/airsonic/airsonic/commit/3e07ea52885f88d3fbec444dfd592f27bfb65647