CVE-2021-28682

HIGH7.5EPSS 0.10%

Published: 3/6/2024Modified: 4/3/2025

Also known as:GHSA-r22g-5f3x-xjggBIT-envoy-2021-28682

Description

An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable integer overflow in which a very large grpc-timeout value leads to unexpected timeout calculations.

Affected packages (1)

Bitnami/envoy>= 1.14.6, < 1.14.7, >= 1.15.3, < 1.15.4, >= 1.16.2, < 1.16.3, >= 1.17.1, < 1.17.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (5)

WEBhttps://blog.envoyproxy.io
WEBhttps://github.com/envoyproxy/envoy/blob/15e3b9dbcc9aaa9d391fa8033904aad1ea1ae70d/api/envoy/api/v2/cluster.proto#L36
WEBhttps://github.com/envoyproxy/envoy/releases
WEBhttps://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg
WEBhttps://nvd.nist.gov/vuln/detail/CVE-2021-28682