CVE-2019-5885

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-330

Affected software

No affected versions have been published.

Timeline

Published: Mar 21, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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