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Case File

CVE-2021-36154

HIGH · CVSS 7.5 EPSS 2.08% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-09 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-36154
Severity
HIGH
CVSS
7.5
EPSS
2.08%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)