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Case File

CVE-2018-4012

CRITICAL · CVSS 9 EPSS 2.55% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-01-03 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.0. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

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

Detected Signals
exploit arbitrary code execution code execution

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

CVE
CVE-2018-4012
Severity
CRITICAL
CVSS
9
EPSS
2.55%

Original NVD Description

An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK. The function bc_http_read_header incorrectly handles overlong headers, leading to arbitrary code execution. An unauthenticated attacker could impersonate a remote BrightCloud server to trigger this vulnerability.

Related CVEs

Other vulnerabilities affecting the same vendor(s)