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Case File

CVE-2019-18887

HIGH · CVSS 8.1 EPSS 1.34% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-11-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

GitHub PoC Links

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

CVE
CVE-2019-18887
Severity
HIGH
CVSS
8.1
EPSS
1.34%

Original NVD Description

An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. The UriSigner was subject to timing attacks. This is related to symfony/http-kernel.

Related CVEs

Other vulnerabilities affecting the same vendor(s)