A vulnerability exists in Rancher 2.1.4 in the login component, where the errorMsg parameter can be tampered to display arbitrary content, filtering tags but not special characters or symbols. Theres 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to lure legitimate users to visit phishing sites with scare tactics, e.g., displaying a This version of Rancher is outdated, please visit https://malicious.rancher.site/upgrading message.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Rancher | Suse | 2.1.4 (including) | 2.1.4 (including) |