CVE-2020-8660
5.3
MEDIUM
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2020-8660
To remediate CVE-2020-8660, upgrade the affected package to a fixed version below.
- —upgrade to 1.12.3 or later
Is CVE-2020-8660 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.12.3, >= 1.13.0, < 1.13.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |