Vulnerability in Envoyproxy Envoy

CVE-2020-25017

Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy’s setCopy() header map API does not replace all existing occurences of a non-inline header.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.013 (70.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-25017: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

References

Frequently asked questions

What is CVE-2020-25017?
CVE-2020-25017 is a high-severity vulnerability in Envoyproxy Envoy. CVSS score: 8.3/10. Published 2020-10-01.
How severe is CVE-2020-25017?
High severity. CVSS v3 base score is 8.3 out of 10.