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SY
Product
Synapse
by Matrix · last CVE Mar 27, 2025
40
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities40In the news0Timeline
Severity mix
Critical 2High 13Medium 22Low 3
Severity
All severities40Critical2High13Medium22Low3
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2019-18835
9.8
1%
Nov 8
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs
Affected: before 1.5.0
CVE-2024-53863
9.1
1%
Dec 3
Synapse is an open-source Matrix homeserver
Affected: before 1.120.1
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