CVE-2020-25017

highpriority · track · 33EPSS 0.013 · 71 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.32% (71st) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedservicemesh-proxy-0:1.1.9-1.el8.src as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh release notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2020:4129
Fixedservicemesh-proxy-0:1.1.9-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1redhat_csaf
The OpenShift Service Mesh release notes provide information on the features and known issues: https://docs.openshift.com/container-platform/latest/service_mesh/servicemesh-release-notes.html
https://access.redhat.com/errata/RHSA-2020:4129

cvss

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 3.7

v3.17.6highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Lsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
envoyproxy envoy< 1.12.7nvdUScpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy envoy1.13.0 → 1.13.4nvdUScpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy envoy1.14.0 → 1.14.4nvdUScpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy envoy1.15.0 → 1.15.1nvdUScpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
Bitnami envoy< 1.12.7osvUSpkg:bitnami/envoy
Bitnami envoy1.13.0 → 1.13.4osvUSpkg:bitnami/envoy
Bitnami envoy1.14.0 → 1.14.4osvUSpkg:bitnami/envoy
Bitnami envoy1.15.0 → 1.15.1osvUSpkg:bitnami/envoy
servicemesh-proxy-0:1.1.9-1.el8.src as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS
servicemesh-proxy-0:1.1.9-1.el8.x86_64 as a component of OpenShift Service Mesh 1.1all versionsfixedredhat_csafUS

advisories (2)

Vendor and ecosystem advisories describing this.

RHSA-2020:4129Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-proxy security update2020-09-30csaf · redhat_csafUS
An update for servicemesh-proxy is now available for OpenShift Service Mesh 1.1. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
BIT-envoy-2020-250172024-03-06vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd redhat_csaf NVD CVE.org MITRE

published 2020-10-01modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

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