PT-2018-13604

CVE-2018-16515

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Published

2018-09-18

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Updated

2026-07-06

Description by

CVSS 3.1
8.8
High
MetricsAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Matrix Synapse versions prior to 0.33.3.1 Matrix Synapse version 0.33.2.1
Description The issue allows remote attackers to spoof events and possibly have other impacts by leveraging improper transaction and event signature validation.
Recommendations For Matrix Synapse versions prior to 0.33.3.1, update to version 0.33.3.1 or later. For Matrix Synapse version 0.33.2.1, update to version 0.33.3.1 or later.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
GHSA-FMVH-RVQ5-HHJX
ALT-PU-2018-2390
PYSEC-2026-845
USN-6076-1
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