Vulnerability · Published Dec 15, 2020 · Assigned by mitre

CVE-2020-35470

High 8.8

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS NVD)8.8High

Exploit odds (30 days)1.0%top 37.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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 filters).

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/envoyproxy/envoy/issues/14087 x_refsource_MISC
https://github.com/envoyproxy/envoy/pull/14131 x_refsource_MISC
https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1 x_refsource_MISC