CVE-2024-53271

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to upgrade. There are no known workarounds for this issue.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-670

Affected software

No affected versions have been published.

Timeline

Published: Dec 18, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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