#VU25836 Improper access control in envoy - CVE-2020-8660

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Main Vulnerability Database Vulnerabilities #VU25836

#VU25836 Improper access control in envoy - CVE-2020-8660

Published: March 9, 2020


Vulnerability identifier: #VU25836
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-8660
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
envoy
Software vendor:
Cloud Native Computing Foundation

Description

The vulnerability allows a remote attacker to bypass TLS inspector.

The vulnerability exists due to the TLS extensions (SNI, ALPN) are not inspected, those connections might been matched to a wrong filter chain. A remote attacker can bypass implemented security restrictions in the process and gain unauthorized access to the application.


Remediation

Install updates from vendor's website.

External links