Vulnerabilities > Matrix > Synapse > 0.33.6
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2019-03-21 | CVE-2019-5885 | Use of Insufficiently Random Values vulnerability in multiple products Matrix Synapse before 0.34.0.1, when the macaroon_secret_key authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users. | 7.5 |