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Case File

CVE-2021-36153

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-2021-36153
Severity
HIGH
CVSS
7.5
EPSS
2.08%

Original NVD Description

Mismanaged state in GRPCWebToHTTP2ServerCodec.swift in gRPC Swift 1.1.0 and 1.1.1 allows remote attackers to deny service by sending malformed requests.

Related CVEs

Other vulnerabilities affecting the same vendor(s)