{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-25749 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2021-25749 is a high-severity vulnerability in Kubernetes Kubernetes, published on 24 May 2023. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-25749 and fix it if it is affected.\n\nWhat it is: CVE-2021-25749 is a high-severity vulnerability in Kubernetes Kubernetes, published on 24 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-25749 in the wild and no public exploit code.\n\nAffected product: Kubernetes Kubernetes. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2021-25749/ (Markdown: https://insights.sbomify.com/CVE-2021-25749/index.md)","id":"CVE-2021-25749","markdown":"https://insights.sbomify.com/CVE-2021-25749/index.md","name":"CVE-2021-25749","record":{"aliases":["GHSA-vv2r-w4hf-7mhr"],"analysis":{"component_type":"container_or_infrastructure","fix_type":"patch","impacts":["privilege_escalation"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Kubernetes Windows containers","requires_auth":"low_privilege","summary":"Attackers can bypass runAsNonRoot restrictions in Windows containers to execute code with ContainerAdministrator privileges.","user_interaction":"not_required","vuln_class":"privilege_escalation"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"kubernetes","cpe":[{"product":"kubernetes","vendor":"kubernetes"}],"cvss":{"score":7.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"description":"Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"runAsNonRoot logic bypass for Windows containers","id":"CVE-2021-25749","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"kubernetes:kubernetes","products":["kubernetes:kubernetes"],"type":"privilege_escalation","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Information disclosure in n/a","id":"CVE-2021-25755"},"packages":[],"prev":{"headline":"Ingress-nginx `path` sanitization can be bypassed with newline character","id":"CVE-2021-25748"},"products":["Kubernetes"],"published":"2023-05-24","related":[{"cvss_score":9.8,"headline":"Privilege Escalation in Kubernetes","id":"CVE-2018-1002105","kev_date_added":null,"published":"2018-12-05"},{"cvss_score":9.8,"headline":"Kubernetes Privilege Escalation","id":"CVE-2017-1000056","kev_date_added":null,"published":"2017-07-13"},{"cvss_score":9.8,"headline":"Authorization bypass in Openshift","id":"CVE-2016-1906","kev_date_added":null,"published":"2016-02-03"},{"cvss_score":8.8,"headline":"Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation","id":"CVE-2023-3676","kev_date_added":null,"published":"2023-10-31"},{"cvss_score":8.8,"headline":"Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation","id":"CVE-2023-3955","kev_date_added":null,"published":"2023-10-31"},{"cvss_score":8.8,"headline":"Symlink Exchange Can Allow Host Filesystem Access","id":"CVE-2021-25741","kev_date_added":null,"published":"2021-09-20"},{"cvss_score":8.8,"headline":"Path traversal in Kubernetes","id":"CVE-2017-1002101","kev_date_added":null,"published":"2018-03-13"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2025-01-16","vendors":["Kubernetes"]},"summary":"Attackers can bypass runAsNonRoot restrictions in Windows containers to execute code with ContainerAdministrator privileges.","url":"https://insights.sbomify.com/CVE-2021-25749/"}