What is CVE-2020-12603?

CVE-2020-12603 is a high-severity vulnerability in Envoyproxy Envoy, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-07-01.

How severe is CVE-2020-12603?

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

Resource exhaustion in Envoyproxy Envoy

CVE-2020-12603

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.014 (70.6th 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 1.13.2, 1.14.2
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org (x_refsource_MISC, Broken Link)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-12603?: CVE-2020-12603 is a high-severity vulnerability in Envoyproxy Envoy, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-07-01.
How severe is CVE-2020-12603?: High severity. CVSS v3 base score is 7.5 out of 10.