Home/CVE/Envoy before 1.16.1 logs an incorrect downstream address because it considers only the directly connected peer, not the
CVE

CVE-2020-35470

Envoy before 1.16.1 logs an incorrect downstream address because it considers only the directly connected peer, not the

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).

HIGH · CVSS 8.8 EPSS 0.00781
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
envoyproxy envoy< 1.16.1
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Dec 2020 · 01:15 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1PatchThird Party Advisory
https://github.com/envoyproxy/envoy/issues/14087PatchThird Party Advisory
https://github.com/envoyproxy/envoy/pull/14131PatchThird Party Advisory
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