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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| matrix-synapse(PyPI) | 0 | 0.34.0.1 | N/A |
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