VDB

CVE-2025-30355

CVE-2025-30355 PUBLISHED CVSS 7.099999904632568 HIGH

Synapse vulnerable to federation denial of service via malformed events

EPSS 1.17% · 64.6th percentile

Risk Scores

CVSS 3.1
7.099999904632568
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS Score
1.17%
64.6th percentile

Affected Products

VendorProductVersions
matrixsynapse0
element-hqsynapse< 1.127.1
PyPImatrix-synapse0

Timeline

  • Jan 21, 1970 Security Advisory
  • Mar 26, 2025 PoC Published
  • Mar 27, 2025 CVE Published
  • Mar 27, 2025 EPSS Score
  • Mar 27, 2025 Coalition ESS Score
  • Mar 28, 2025 Coalition ESS Score
  • Mar 28, 2025 PoC Published
  • Apr 9, 2025 EPSS Score
  • Apr 28, 2025 EPSS Score
  • May 5, 2025 EPSS Score
  • May 17, 2025 EPSS Score
  • Jun 1, 2025 EPSS Score

References

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