Angel through 3.3.0 deserializes untrusted setAlgoMetrics payload using Kryo without class registration or allowlist validation. Unauthenticated network attackers can instantiate arbitrary classes or exhaust coordinator memory by sending crafted serialized objects to the master RPC endpoint.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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