CVE-2020-8660

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CVSS 3.1

5.3 medium

EPSS

<1%p47

Published

Mar 4, 2020 (Mar 4, 2020)

Modified

Jun 17, 2026

Description

CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.

Vendors: envoyproxy
Products: envoy
Weakness: CWE-345
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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