CVE Vulnerability

CVE-2020-8660

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/envoyproxy/envoy/security/advisories/GHSA-c4g8-7grc-5wvx Third Party Advisory
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history Vendor Advisory
https://access.redhat.com/errata/RHSA-2020:0734 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
Information

Published : 2020-03-04 10:15

Updated : 2020-07-13 05:03

NVD link : CVE-2020-8660

Mitre link : CVE-2020-8660

Products Affected
No products.
CWE
CWE-345