CVE-2020-35470

moderate-risk
Published 2020-12-15

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).

Do I need to act?

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0.78% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

35
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal