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EUVD-2025-33305

🗓️ 08 Oct 2025 14:55:06Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

Lack of device key validation in Synapse lets an attacker degrade federation; upgrade to 1.138.4 or 1.139.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2025-61672
8 Oct 202514:55
alpinelinux
CNNVD
synapse 安全漏洞
8 Oct 202500:00
cnnvd
CVE
CVE-2025-61672
8 Oct 202514:55
cve
Cvelist
CVE-2025-61672 Synapse: Invalid device keys degrade federation functionality
8 Oct 202514:55
cvelist
Debian CVE
CVE-2025-61672
8 Oct 202514:55
debiancve
Github Security Blog
Synapse's invalid device keys degrade federation functionality
8 Oct 202517:51
github
NVD
CVE-2025-61672
8 Oct 202515:16
nvd
OPENSUSE Linux
matrix-synapse-1.139.1-1.1 on GA media (moderate)
8 Oct 202500:00
opensuse
OSV
CVE-2025-61672 Synapse: Invalid device keys degrade federation functionality
8 Oct 202514:55
osv
OSV
DEBIAN-CVE-2025-61672
8 Oct 202515:16
osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "6020ebad-f6eb-310b-a761-7b64893a62bb",
        "vendor": {
          "name": "element-hq"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0e882726-48cd-3c1b-8b42-6152e9bfac27",
        "product": {
          "name": "synapse"
        },
        "product_version": "= 1.139.0"
      },
      {
        "id": "400697f9-0116-3278-8046-7a0553c971f7",
        "product": {
          "name": "synapse"
        },
        "product_version": "< 1.138.3"
      }
    ]
  }
]

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08 Oct 2025 14:55Current
6.4Medium risk
Vulners AI Score6.4
CVSS 45.3
EPSS0.00046
1