Matrix Synapse server-side request forgery | CVE-2023-32683
NAME
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Matrix Synapse server-side request forgery
Platforms Affected:
matrix.org Synapse 1.84.1
Risk Level:
3.5
Exploitability:
Unproven
Consequences:
Gain Access
DESCRIPTION
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Matrix Synapse is vulnerable to server-side request forgery, caused by a URL deny list bypass via oEmbed and image URLs when generating previews. By sending a specially crafted request, an attacker could exploit this vulnerability to conduct SSRF attack or bypassing network policies.
CVSS 3.0 Information
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Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged
Access Vector:
Network
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