CVE-2020-35470
HIGH
8.8
CVSS Score
Published: December 15, 2020 at 12:48 AM UTC
Updated: June 17, 2026 at 03:13 AM UTC
1 product affected across 1 vendorEnvoy
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Severity
HIGH8.8
Exploit prediction
EPSS 1.0%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.16.1
Affected range stops below 1.16.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/issues/14087x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/envoyproxy/envoy/pull/14131CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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