Vulnerability in Envoyproxy Envoy

CVE-2024-27919

Envoy is a cloud-native, open-source edge and service proxy. In versions 1.29.0 and 1.29.1, theEnvoy HTTP/2 protocol stack is vulnerable to the flood of CONTINUATION frames. Envoy's HTTP/2 codec does not reset a request when header map lim…

EPSS: 0.239 (96.1th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-27919?
CVE-2024-27919 is a high-severity vulnerability in Envoyproxy Envoy, classified under CWE-390. CVSS score: 7.5/10. Published 2024-04-04.
How severe is CVE-2024-27919?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-27919 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.