CVE-2020-8663

mediumpriority · track · 31EPSS 0.015 · 74 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.47% (74th) EPSS
CVSS 5 · medium
Is it mine?
18 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections.

01

remediations

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

A vendor fix is available.

  • Fixedservicemesh-proxy-0:1.1.4-2.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-2020:2798
  • Fixedservicemesh-proxy-0:1.1.4-2.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-2020:2798
  • Fixedservicemesh-proxy-0:1.0.11-1.el8.src as a component of OpenShift Service Mesh 1.0redhat_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-2020:2864
  • Fixedservicemesh-proxy-0:1.0.11-1.el8.x86_64 as a component of OpenShift Service Mesh 1.0redhat_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-2020:2864
02

cvss

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

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US
04

affected products (18)

Products and version ranges known to be affected.

05

advisories (4)

Vendor and ecosystem advisories describing this.

  • RHSA-2020:2798Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-proxy security update2020-07-01csaf · 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 Important. 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.

  • RHSA-2020:2864Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0 servicemesh-proxy security update2020-07-07csaf · redhat_csafUS

    An update for servicemesh-proxy is now available for OpenShift Service Mesh 1.0. Red Hat Product Security has rated this update as having a security impact of Important. 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.

  • WID-SEC-W-2026-0777Red Hat OpenShift: Mehrere SchwachstellenDeutsch2020-07-01csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Red Hat OpenShift ausnutzen, um einen Denial of Service Angriff durchzuführen, einen Cross-Site-Scripting-Angriff durchzuführen, beliebigen Programmcode auszuführen, oder Auswirkungen hinsichtlich der Vertraulichkeit, Verfügbarkeit und Integrität zu verursachen.

  • BIT-envoy-2020-86632024-03-06vendor · osvUS

    Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdosvcert_bundnvdredhat_csafNVDCVE.orgMITRE
published 2020-07-01modified 2026-06-17
09

references (15)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan