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.

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.

EPSS: 0.013 (67.6th percentile) — read the EPSS interpretation.

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.

Affected products

Envoyproxy Envoy
N/a — versions n/a

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.