VULNERABILITY INTELLIGENCE

CVE-2024-53271

CVSS score7.1 HIGH
EPSS probability0.62%
CISA KEVNot currently listed
Published2024-12-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

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.

Weakness classification

  • security-advisories@github.com: CWE-670

Primary references