What is CVE-2021-36154?

CVE-2021-36154 is a high-severity vulnerability in Linuxfoundation Grpc Swift, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2021-07-09.

How severe is CVE-2021-36154?

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

Vulnerability in Linuxfoundation Grpc Swift

CVE-2021-36154

HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption.

EPSS: 0.021 (79.6th 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

Linuxfoundation Grpc_swift — versions 1.0.0, 1.1.0, 1.1.1
N/a — versions n/a

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-36154?: CVE-2021-36154 is a high-severity vulnerability in Linuxfoundation Grpc Swift, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2021-07-09.
How severe is CVE-2021-36154?: High severity. CVSS v3 base score is 7.5 out of 10.