VULNERABILITY INTELLIGENCE

CVE-2019-5885

CVSS score7.5 HIGH
EPSS probability2.44%
CISA KEVNot currently listed
Published2019-03-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • CWE-330: Use of Insufficiently Random Values

Primary references