{"action":"Upgrade github.com/rancher/rancher to 2.4.16 or later.","affected":[{"fixed":"2.4.16","introduced":"2.0.0"},{"fixed":"2.5.9","introduced":"2.5.0"}],"component":"github.com/rancher/rancher","cve_ids":["CVE-2021-31999"],"ecosystem":"Go","epss":0.01052,"exploited":false,"fixed_versions":["2.4.16","2.5.9"],"ghsa_id":"GHSA-pvxj-25m6-7vqr","id":"tcs_01M5KFHWYQYS1AZ2RSQS4RTJB6","modified_at":"2026-09-10T03:50:12.767658643Z","published_at":"2024-04-24T21:01:59Z","references":["https://osv.dev/vulnerability/GHSA-pvxj-25m6-7vqr","https://nvd.nist.gov/vuln/detail/CVE-2021-31999","https://bugzilla.suse.com/show_bug.cgi?id=1187084","https://github.com/rancher/rancher","https://pkg.go.dev/vuln/GO-2024-2778"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-pvxj-25m6-7vqr","url":"https://osv.dev/vulnerability/GHSA-pvxj-25m6-7vqr"}],"summary":"Rancher Privilege escalation vulnerability via malicious \"Connection\" header"}