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Case File

CVE-2019-11881

MEDIUM · CVSS 4.7 EPSS 2.26% Public Exploit

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

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.7. 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.

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

CVE
CVE-2019-11881
Severity
MEDIUM
CVSS
4.7
EPSS
2.26%

Original NVD Description

A vulnerability exists in Rancher before 2.2.4 in the login component, where the errorMsg parameter can be tampered to display arbitrary content, filtering tags but not special characters or symbols. There's no other limitation of the message, allowing malicious users to lure legitimate users to visit phishing sites with scare tactics, e.g., displaying a "This version of Rancher is outdated, please visit https://malicious.rancher.site/upgrading" message.

Related CVEs

Other vulnerabilities affecting the same vendor(s)