Vulnerability in Envoyproxy Envoy

CVE-2025-30157

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…

EPSS: 0.000 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Envoyproxy Envoy — versions >= 1.33.0, < 1.33.1, >= 1.32.0, < 1.32.4, >= 1.31.0, < 1.31.6

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-30157?
CVE-2025-30157 is a medium-severity vulnerability in Envoyproxy Envoy, classified under CWE-460. CVSS score: 6.5/10. Published 2025-03-21.
How severe is CVE-2025-30157?
Medium severity. CVSS v3 base score is 6.5 out of 10.