AI Score
Confidence
High
EPSS
Percentile
70.2%
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
github.com/matrix-org/synapse/issues/3796#event-1833126269
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/
matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/