Description
Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.
Published: 2022-02-22
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-26873 Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.
History

Wed, 23 Apr 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Envoyproxy Envoy
Redhat Service Mesh
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-04-23T19:01:21.074Z

Reserved: 2021-11-16T00:00:00.000Z

Link: CVE-2022-21655

cve-icon Vulnrichment

Updated: 2024-08-03T02:46:39.410Z

cve-icon NVD

Status : Modified

Published: 2022-02-22T23:15:11.163

Modified: 2024-11-21T06:45:09.970

Link: CVE-2022-21655

cve-icon Redhat

Severity : Important

Publid Date: 2022-02-22T07:00:00Z

Links: CVE-2022-21655 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses