#VU53201 Resource management error in Synapse - CVE-2021-29471

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Main Vulnerability Database Vulnerabilities #VU53201

#VU53201 Resource management error in Synapse - CVE-2021-29471

Published: May 12, 2021


Vulnerability identifier: #VU53201
Vulnerability risk:
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:
CVE-ID: CVE-2021-29471
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Synapse
Software vendor:
Matrix.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the push rules implementation. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links