What is CVE-2024-32475?

CVE-2024-32475 is a high-severity vulnerability in Envoyproxy Envoy, classified under CWE-253. CVSS score: 7.5/10. Published 2024-04-18.

How severe is CVE-2024-32475?

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

Vulnerability in Envoyproxy Envoy

CVE-2024-32475

Envoy is a cloud-native, open source edge and service proxy. When an upstream TLS cluster is used with `auto_sni` enabled, a request containing a `host`/`:authority` header longer than 255 characters triggers an abnormal termination of Env…

EPSS: 0.001 (33.7th 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 >= 1.30.0, < 11.30.1, >= 1.29.0, < 1.29.4, >= 1.28.0, < 1.28.3

Weakness classification (CWE)

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-3mh5-6q8v-25wj (x_refsource_CONFIRM)
https://github.com/envoyproxy/envoy/commit/b47fc6648d7c2dfe0093a601d44cb704b7bad382 (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-32475?: CVE-2024-32475 is a high-severity vulnerability in Envoyproxy Envoy, classified under CWE-253. CVSS score: 7.5/10. Published 2024-04-18.
How severe is CVE-2024-32475?: High severity. CVSS v3 base score is 7.5 out of 10.