PoC Index

CVE-2019-11881

MEDIUM 4.7EPSS 2.3%

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to lure legitimate users to visit phishing sites with scare tactics, e.g., displaying a "This version of Rancher is outdated, please visit https://malicious.rancher.site/upgrading" message.

CVSS v3.0
4.7 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CVSS v3.0
4.7 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
CVSS v2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
2.26% chance of exploitation in the next 30 days, 82th percentile
Published
2019-06-10
Updated
2024-12-04

Proof-of-concept exploits (1)

References

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