Vulnerability · Published Dec 18, 2024 · Assigned by GitHub_M

CVE-2024-53271HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoy

High 7.1

In plain English

A high-severity security flaw in envoy from envoyproxy. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.6%top 50.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
envoyproxy envoy >= 1.31.0, < 1.31.5>= 1.32.0, < 1.32.3

Weakness: CWE-670 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References