CVE-2025-30157 is a high-severity vulnerability affecting Envoy proxy versions prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10. It allows for a denial-of-service (DoS) attack where the ext_proc HTTP filter can crash Envoy if a local reply is sent to an external server, such as during a failed WebSocket handshake. With a CVSS score of 7.5, this vulnerability has a low attack complexity and requires no user interaction, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.30.10CPE matchmatch criteria | cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | ||
>= 1.31.0, < 1.31.6CPE matchmatch criteria | cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | ||
>= 1.32.0, < 1.32.4CPE matchmatch criteria | cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | ||
1.33.0CPE matchmatch criteria | cpe:2.3:a:envoyproxy:envoy:1.33.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.