CVE-2025-30157

Medium

Description

Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's ext_proc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failure of a websocket handshake will trigger a local reply leading to the crash of Envoy. This vulnerability is fixed in 1.33.1, 1.32.4, 1.31.6, and 1.30.10.

SeverityMedium
CVSS6.5
Exploit probability—
ProductEnvoy
PublishedMar 21, 2025
First seenMar 21, 2025
Weakness typeCWE-460CWE-460

How to fix

Update
  • envoyproxy envoy1.30.10, 1.31.6, 1.32.4 or later
  • github.com/envoyproxy/envoy1.30.10, 1.31.6, 1.32.4, 1.33.1 or later

Affected products

ProductAffected versionsFixed in
envoyproxy envoyv < 1.30.10, 1.31.0 ≤ v < 1.31.6, 1.32.0 ≤ v < 1.32.4, 1.33.01.30.10, 1.31.6, 1.32.4
github.com/envoyproxy/envoyGov < 1.30.10, 1.31.0 ≤ v < 1.31.6, 1.32.0 ≤ v < 1.32.4, 1.33.0 ≤ v < 1.33.11.30.10, 1.31.6, 1.32.4, 1.33.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.