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CVE-2021-21392

🗓️ 12 Apr 2021 22:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 27 Views

Synapse matrix server allows unrestricted requests to user-provided domain

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2021-21392
12 Apr 202122:15
attackerkb
cnnvd
CNNVD
Apache Synapse 输入验证错误漏洞
12 Apr 202100:00
cnnvd
cve
CVE
CVE-2021-21392
12 Apr 202121:50
cve
cvelist
Cvelist
CVE-2021-21392 Open redirect via transitional IPv6 addresses on dual-stack networks
12 Apr 202121:50
cvelist
debiancve
Debian CVE
CVE-2021-21392
12 Apr 202121:50
debiancve
euvd
EUVD
EUVD-2021-0128
7 Oct 202500:30
euvd
fedora
Fedora
[SECURITY] Fedora 34 Update: matrix-synapse-1.38.1-1.fc34
2 Aug 202101:05
fedora
github
Github Security Blog
Open redirect via transitional IPv6 addresses on dual-stack networks
13 Apr 202115:13
github
nvd
NVD
CVE-2021-21392
12 Apr 202122:15
nvd
openvas
OpenVAS
Fedora: Security Advisory for matrix-synapse (FEDORA-2021-a627cfd31e)
2 Aug 202100:00
openvas
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04allmatrix-synapse0matrix-synapse_0_all.deb
Ubuntu18.04allmatrix-synapse0matrix-synapse_0_all.deb
Ubuntu20.04allmatrix-synapse0matrix-synapse_0_all.deb

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26 Aug 2025 12:28Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.9
CVSS 3.16.3
EPSS0.00894
27