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Case File

CVE-2018-20356

CRITICAL · CVSS 9.8 EPSS 3.57% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-06-10 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. It may lead to a denial-of-service condition.

Public Exploit Signal

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

Detected Signals
remote code execution code execution
GitHub PoC Links

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

CVE
CVE-2018-20356
Severity
CRITICAL
CVSS
9.8
EPSS
3.57%

Original NVD Description

An invalid read of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)