Vulnerability in Envoyproxy Envoy
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. This affects situations with tcp-proxy as the network filter (not HTTP filters).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
References
- github.com/envoyproxy/envoy/issues/14087 (Patch, Third Party Advisory)
- github.com/envoyproxy/envoy/pull/14131 (Patch, Third Party Advisory)
- github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35470?
- CVE-2020-35470 is a high-severity vulnerability in Envoyproxy Envoy. CVSS score: 8.8/10. Published 2020-12-15.
- How severe is CVE-2020-35470?
- High severity. CVSS v3 base score is 8.8 out of 10.