CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.1. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
exploit
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2025-30355
Severity
HIGH
CVSS
7.1
EPSS
1.18%
Original NVD Description
Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.
Related CVEs
Other vulnerabilities affecting the same vendor(s)