CVE-2025-30157

HIGH EPSS 32.4%
Published Mar 21, 20251y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 21, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
32.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-460

Affected Products 4

VendorProductVersionRange
envoyproxyenvoy* <1.30.10
envoyproxyenvoy*≥1.31.0  –  <1.31.6
envoyproxyenvoy*≥1.32.0  –  <1.32.4
envoyproxyenvoy1.33.0any

References 2

  • github.com https://github.com/envoyproxy/envoy/commit/8eda1b8ef5ba8663d16a737ab99458c039a9b53c
    Patch
  • github.com https://github.com/envoyproxy/envoy/security/advisories/GHSA-cf3q-gqg7-3fm9
    Vendor Advisory

Remediation

  • github.com https://github.com/envoyproxy/envoy/commit/8eda1b8ef5ba8663d16a737ab99458c039a9b53c
    Patch