CVE-2021-31999: Reliance on Untrusted Inputs in a Security Decision

July 15, 2021 (updated July 30, 2021)

A Reliance on Untrusted Inputs in a Security Decision vulnerability in Rancher allows users in the cluster to act as others users in the cluster by forging the “Impersonate-User” or “Impersonate-Group” headers.

References

bugzilla.suse.com/show_bug.cgi?id=1187084
nvd.nist.gov/vuln/detail/CVE-2021-31999

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