{"id":"CVE-2022-43757","aliases":["EUVD-2023-0449","GHSA-cq4p-vp5q-4522"],"status":"published","title":"Rancher: Exposure of sensitive fields","description":"A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain access to credentials. The impact depends on the credentials exposed This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00553,"percentile":0.46504,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-256","CWE-312"],"published":"2023-01-25T19:36:57Z","modified":"2026-10-28T02:30:49Z","fixes":[{"ecosystem":"Go","package":"github.com/rancher/rancher","fixed_in":["2.5.17","2.6.10","2.7.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/rancher/rancher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"fixed":"2.5.17"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/rancher/rancher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.10"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/rancher/rancher","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/rancher/rancher","ranges":[{"type":"SEMVER","events":[{"introduced":"2.5.0"},{"fixed":"2.5.17"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/rancher/rancher","ranges":[{"type":"SEMVER","events":[{"introduced":"2.6.0"},{"fixed":"2.6.10"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/rancher/rancher","ranges":[{"type":"SEMVER","events":[{"introduced":"2.7.0"},{"fixed":"2.7.1"}]}]}],"products":[{"vendor":"suse","product":"rancher"}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1205295","tags":["x_transferred","Exploit","Issue Tracking","report","web"]},{"url":"https://github.com/rancher/rancher/security/advisories/GHSA-cq4p-vp5q-4522","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-43757","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cq4p-vp5q-4522"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/43xxx/CVE-2022-43757.json","tags":["advisory"]},{"url":"https://github.com/rancher/rancher","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-43757","title":"Rancher: Exposure of sensitive fields","description":"A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain access to credentials. The impact depends on the credentials exposed This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.","status":"published","published":"2023-02-07T00:00:00Z","modified":"2025-03-25T15:33:37.242Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:34:25.618175Z"}],"euvd":[{"id":"EUVD-2023-0449","description":"A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain access to credentials. The impact depends on the credentials exposed This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.","status":"published","published":"2023-02-07T00:00:00Z","modified":"2025-03-25T15:33:37Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:52:53.129601Z"}],"ghsa":[{"id":"GHSA-cq4p-vp5q-4522","title":"Plaintext storage of sensitive data in Rancher API and cluster.management.cattle.io objects","description":"### Impact\n\nThis issue affects Rancher versions from 2.5.0 up to and including 2.5.16, from 2.6.0 up to and including 2.6.9 and 2.7.0. It was discovered that the security advisory CVE-2021-36782 (GHSA-g7j7-h4q8-8w2f), previously released by Rancher, missed addressing some sensitive fields, secret tokens, encryption keys, and SSH keys that were still being stored in plaintext directly on Kubernetes objects like `Clusters`.\n\nThe exposed credentials are visible in Rancher to authenticated `Cluster Owners`, `Cluster Members`, `Project Owners` and `Project Members` of that cluster on the endpoints:\n\n- `/v1/management.cattle.io.cluster`\n- `/v1/management.cattle.io.clustertemplaterevisions`\n\nThe remaining sensitive fields are now stripped from `Clusters` and other objects and moved to a `Secret` before the object is stored. The `Secret` is retrieved when the credential is needed. For objects that existed before this security fix, a one-time migration happens on startup.\n\nThe fields that have been addressed by this security fix are:\n\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.KubeAPI.SecretsEncryptionConfig.CustomConfig.Providers[].AESGCM.Keys[].Secret`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.KubeAPI.SecretsEncryptionConfig.CustomConfig.Providers[].AESCBC.Keys[].Secret`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.KubeAPI.SecretsEncryptionConfig.CustomConfig.Providers[].SecretboxConfiguration.Keys[].Secret`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.Kubelet.ExtraEnv` when containing the `AWS_SECRET_ACCESS_KEY` environment variable\n- `Cluster.Spec.RancherKubernetesEngineConfig.BastionHost.SSHKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.PrivateRegistries[].ECRCredentialPlugin.AwsSecretAccessKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.PrivateRegistries[].ECRCredentialPlugin.AwsSessionToken`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Network.AciNetworkProvider.ApicUserKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Network.AciNetworkProvider.KafkaClientKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Network.AciNetworkProvider.Token`\n\n**Important:**\n\n- For the exposure of credentials not related to Rancher, the final impact severity for confidentiality, integrity and availability is dependent on the permissions the leaked credentials have on their services.\n\n- It is recommended to review for potentially leaked credentials in this scenario and to change them if deemed necessary.\n\n### Workarounds\n\nThere is no direct mitigation besides updating Rancher to a patched version.\n\n### Patches\n\nPatched versions include releases 2.5.17, 2.6.10, 2.7.1 and later versions.\n\nAfter upgrading to a patched version, it is important to check for the `ACISecretsMigrated` and `RKESecretsMigrated` conditions on `Clusters` and `ClusterTemplateRevisions` to confirm when secrets have been fully migrated off of those objects, and the objects scoped within them.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Reach out to [SUSE Rancher Security team](https://github.com/rancher/rancher/security/policy) for security related inquiries.\n* Open an issue in [Rancher](https://github.com/rancher/rancher/issues/new/choose) repository.\n* Verify our [support matrix](https://www.suse.com/suse-rancher/support-matrix/all-supported-versions/) and [product support lifecycle](https://www.suse.com/lifecycle/).","status":"published","published":"2023-01-25T19:36:57Z","modified":"2023-02-15T18:40:10Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-200","CWE-256","CWE-312"],"updated_at":"2026-11-02T14:36:45.67005Z"}],"nvd":[{"id":"CVE-2022-43757","description":"A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain access to credentials. The impact depends on the credentials exposed This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.","status":"published","published":"2023-02-07T13:15:09.803Z","modified":"2026-06-17T05:07:15.537Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:07:36.026349Z"}],"osv":[{"id":"CVE-2022-43757","title":"Rancher: Exposure of sensitive fields","description":"A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain access to credentials. The impact depends on the credentials exposed This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.","status":"published","published":"2023-02-07T00:00:00Z","modified":"2026-10-28T02:30:49.534652035Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T15:44:27.186787Z"},{"id":"GHSA-cq4p-vp5q-4522","title":"Plaintext storage of sensitive data in Rancher API and cluster.management.cattle.io objects","description":"### Impact\n\nThis issue affects Rancher versions from 2.5.0 up to and including 2.5.16, from 2.6.0 up to and including 2.6.9 and 2.7.0. It was discovered that the security advisory CVE-2021-36782 (GHSA-g7j7-h4q8-8w2f), previously released by Rancher, missed addressing some sensitive fields, secret tokens, encryption keys, and SSH keys that were still being stored in plaintext directly on Kubernetes objects like `Clusters`.\n\nThe exposed credentials are visible in Rancher to authenticated `Cluster Owners`, `Cluster Members`, `Project Owners` and `Project Members` of that cluster on the endpoints:\n\n- `/v1/management.cattle.io.cluster`\n- `/v1/management.cattle.io.clustertemplaterevisions`\n\nThe remaining sensitive fields are now stripped from `Clusters` and other objects and moved to a `Secret` before the object is stored. The `Secret` is retrieved when the credential is needed. For objects that existed before this security fix, a one-time migration happens on startup.\n\nThe fields that have been addressed by this security fix are:\n\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.KubeAPI.SecretsEncryptionConfig.CustomConfig.Providers[].AESGCM.Keys[].Secret`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.KubeAPI.SecretsEncryptionConfig.CustomConfig.Providers[].AESCBC.Keys[].Secret`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.KubeAPI.SecretsEncryptionConfig.CustomConfig.Providers[].SecretboxConfiguration.Keys[].Secret`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Services.Kubelet.ExtraEnv` when containing the `AWS_SECRET_ACCESS_KEY` environment variable\n- `Cluster.Spec.RancherKubernetesEngineConfig.BastionHost.SSHKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.PrivateRegistries[].ECRCredentialPlugin.AwsSecretAccessKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.PrivateRegistries[].ECRCredentialPlugin.AwsSessionToken`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Network.AciNetworkProvider.ApicUserKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Network.AciNetworkProvider.KafkaClientKey`\n- `Cluster.Spec.RancherKubernetesEngineConfig.Network.AciNetworkProvider.Token`\n\n**Important:**\n\n- For the exposure of credentials not related to Rancher, the final impact severity for confidentiality, integrity and availability is dependent on the permissions the leaked credentials have on their services.\n\n- It is recommended to review for potentially leaked credentials in this scenario and to change them if deemed necessary.\n\n### Workarounds\n\nThere is no direct mitigation besides updating Rancher to a patched version.\n\n### Patches\n\nPatched versions include releases 2.5.17, 2.6.10, 2.7.1 and later versions.\n\nAfter upgrading to a patched version, it is important to check for the `ACISecretsMigrated` and `RKESecretsMigrated` conditions on `Clusters` and `ClusterTemplateRevisions` to confirm when secrets have been fully migrated off of those objects, and the objects scoped within them.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Reach out to [SUSE Rancher Security team](https://github.com/rancher/rancher/security/policy) for security related inquiries.\n* Open an issue in [Rancher](https://github.com/rancher/rancher/issues/new/choose) repository.\n* Verify our [support matrix](https://www.suse.com/suse-rancher/support-matrix/all-supported-versions/) and [product support lifecycle](https://www.suse.com/lifecycle/).","status":"published","published":"2023-01-25T19:36:57Z","modified":"2023-11-08T04:10:46.401922Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-200","CWE-256","CWE-312"],"updated_at":"2026-11-02T15:46:45.28161Z"}]}}