What is CVE-2020-35470?

CVE-2020-35470 is a high-severity vulnerability in Envoyproxy Envoy. CVSS score: 8.8/10. Published 2020-12-15.

How severe is CVE-2020-35470?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Envoyproxy Envoy

CVE-2020-35470

Envoy before 1.16.1 logs an incorrect downstream address because it considers only the directly connected peer, not the information in the proxy protocol header. This affects situations with tcp-proxy as the network filter (not HTTP filter…

EPSS: 0.010 (58.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Envoyproxy Envoy
N/a — versions n/a

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-35470?: CVE-2020-35470 is a high-severity vulnerability in Envoyproxy Envoy. CVSS score: 8.8/10. Published 2020-12-15.
How severe is CVE-2020-35470?: High severity. CVSS v3 base score is 8.8 out of 10.