{"url":"http://public2.vulnerablecode.io/api/packages/371014?format=json","purl":"pkg:alpm/archlinux/kube-proxy@1.23.0-1","type":"alpm","namespace":"archlinux","name":"kube-proxy","version":"1.23.0-1","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/36081?format=json","vulnerability_id":"VCID-4qqj-251q-ykek","summary":"Confused Deputy in Kubernetes\nA security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25740.json","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-25740.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-25740","reference_id":"","reference_type":"","scores":[{"value":"0.00505","scoring_system":"epss","scoring_elements":"0.66332","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00505","scoring_system":"epss","scoring_elements":"0.6629","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00505","scoring_system":"epss","scoring_elements":"0.66246","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00519","scoring_system":"epss","scoring_elements":"0.66859","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00519","scoring_system":"epss","scoring_elements":"0.66862","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00519","scoring_system":"epss","scoring_elements":"0.66849","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00519","scoring_system":"epss","scoring_elements":"0.66824","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71662","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71637","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71644","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71634","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71674","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71685","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71708","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71692","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71673","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71717","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00685","scoring_system":"epss","scoring_elements":"0.71723","published_at":"2026-04-18T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-25740"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25740","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25740"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/kubernetes/kubernetes","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/kubernetes/kubernetes"},{"reference_url":"https://github.com/kubernetes/kubernetes/issues/103675","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/kubernetes/kubernetes/issues/103675"},{"reference_url":"https://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25740","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25740"},{"reference_url":"https://security.netapp.com/advisory/ntap-20211014-0001","reference_id":"","reference_type":"","scores":[{"value":"3.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://security.netapp.com/advisory/ntap-20211014-0001"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1982470","reference_id":"1982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proxy IP restriction bypass in Kubernetes\nAs mitigations to a report from 2019 and CVE-2020-8555, Kubernetes attempts to prevent proxied connections from accessing link-local or localhost networks when making user-driven connections to Services, Pods, Nodes, or StorageClass service providers. As part of this mitigation Kubernetes does a DNS name resolution check and validates that response IPs are not in the link-local (169.254.0.0/16) or localhost (127.0.0.0/8) range. Kubernetes then performs a second DNS resolution without validation for the actual connection. If a non-standard DNS server returns different non-cached responses, a user may be able to bypass the proxy IP restriction and access private networks on the control plane. All versions of Kubernetes are impacted, and there is no fix in 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