VulnerabilityModified
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.
HIGH 8.8EPSS 0.99%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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).
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.99% probability · 60th percentile
- CISA KEV
- Not listed
- Affected
- envoyproxy/envoy
- Source
- cve@mitre.org
References
- https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1Patch, Third Party Advisory
- https://github.com/envoyproxy/envoy/issues/14087Patch, Third Party Advisory
- https://github.com/envoyproxy/envoy/pull/14131Patch, Third Party Advisory
- https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1Patch, Third Party Advisory
- https://github.com/envoyproxy/envoy/issues/14087Patch, Third Party Advisory
- https://github.com/envoyproxy/envoy/pull/14131Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.