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Case File

CVE-2019-18886

MEDIUM · CVSS 5.3 EPSS 1.55% Public Exploit

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

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. 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-2019-18886
Severity
MEDIUM
CVSS
5.3
EPSS
1.55%

Original NVD Description

An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.

Related CVEs

Other vulnerabilities affecting the same vendor(s)