CVE-2020-8659

moderate-risk
Published 2020-03-04

CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (3)

Envoy

Affected Vendors

Debian Redhat Cncf

References (8)

Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0734
Third Party Advisory https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv
Mailing List https://lists.debian.org/debian-lts-announce/2022/05/msg00025.html
Release Notes https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history
Third Party Advisory https://access.redhat.com/errata/RHSA-2020:0734
Third Party Advisory https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv
Mailing List https://lists.debian.org/debian-lts-announce/2022/05/msg00025.html
Release Notes https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history
38
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 9/34 · Low