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Status published
High
CVE-2022-21654
Incorrect configuration handling allows TLS session re-use without re-validation in Envoy
Vulnerability Description
Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are used. Users are advised to upgrade.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
envoyproxy
View all reports →Affected Software
envoy
Vulnerable Versions:
>= 1.7.0, < 1.18.6, >= 1.19.0, < 1.19.3, >= 1.20.0, < 1.20.2, >= 1.21.0, < 1.21.1
Timeline
Official Publish:
February 22nd, 2022
Last Modified:
April 23rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N