What is CVE-2024-53270?

CVE-2024-53270 is a high-severity vulnerability in Envoyproxy Envoy, classified under Always-Incorrect Control Flow Implementation. CVSS score: 7.5/10. Published 2024-12-18.

How severe is CVE-2024-53270?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-53270 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Envoyproxy Envoy

CVE-2024-53270

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions `sendOverloadError` is going to assume the active request exists when `envoy.load_shed_points.http1_server_abort_dispatch` is configured. If `active_r…

EPSS: 0.000 (5.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Envoyproxy Envoy — versions >= 1.32.0, < 1.32.3, >= 1.31.0, < 1.31.5, >= 1.30.0, < 1.30.9

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-q9qv-8j52-77p3 (x_refsource_CONFIRM)
https://github.com/envoyproxy/envoy/pull/37743/commits/6cf8afda956ba67c9afad185b962325a5242ef02 (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-53270?: CVE-2024-53270 is a high-severity vulnerability in Envoyproxy Envoy, classified under Always-Incorrect Control Flow Implementation. CVSS score: 7.5/10. Published 2024-12-18.
How severe is CVE-2024-53270?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-53270 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.