CVE-2019-11842

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.

Metrics

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

Weakness enumeration

CWE-338

Affected software

No affected versions have been published.

Timeline

Published: May 9, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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