CVE-2019-11842
HIGHMatrix Sydent <1.0.3 & Synapse <0.99.3.1 - Info Disclosure
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/
Scores
CVSS v3
7.5
EPSS
0.0178
EPSS Percentile
75.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-338
Status
published
Products (4)
matrix/sydent
< 1.0.3
matrix/synapse
< 0.99.3.1
pypi/matrix-sydent
0 - 1.0.3PyPI
pypi/matrix-synapse
0 - 0.99.3.1PyPI
Published
May 09, 2019
Tracked Since
Feb 18, 2026