{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2021-46851 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-46851 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-46851 is a critical vulnerability in Huawei Emui, published on 9 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-46851 and fix it if it is affected.\n\nWhat it is: CVE-2021-46851 is a critical vulnerability in Huawei Emui, published on 9 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-46851 in the wild and no public exploit code.\n\nAffected product: Huawei Emui. 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-2021-46851/ (Markdown: https://insights.sbomify.com/CVE-2021-46851/index.md)","id":"CVE-2021-46851","markdown":"https://insights.sbomify.com/CVE-2021-46851/index.md","name":"CVE-2021-46851","record":{"aliases":["GHSA-cgv3-q392-f56j"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Huawei mobile OS","requires_auth":"none","summary":"Attackers can bypass secure memory attribute verification in the DRM module, causing abnormal video playback on Huawei devices.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"huawei","cpe":[{"product":"emui","vendor":"huawei"},{"product":"harmonyos","vendor":"huawei"}],"cvss":{"score":9.8,"severity":"critical","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"description":"The DRM module has a vulnerability in verifying the secure memory attributes. Successful exploitation of this vulnerability may cause abnormal video playback.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Security feature bypass in EMUI","id":"CVE-2021-46851","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"huawei:emui","products":["huawei:emui","huawei:harmonyos"],"type":"security_feature_bypass","year":"2021"},"n_packages":0,"n_references":2,"next":{"headline":"Auth bypass in EMUI","id":"CVE-2021-46852"},"packages":[],"prev":{"headline":"Command injection in n/a","id":"CVE-2021-46850"},"products":["EMUI","HarmonyOS"],"published":"2022-11-09","related":[{"cvss_score":9.8,"headline":"Memory corruption in EMUI","id":"CVE-2023-52370","kev_date_added":null,"published":"2024-02-18"},{"cvss_score":9.8,"headline":"Business logic in EMUI","id":"CVE-2023-52378","kev_date_added":null,"published":"2024-02-18"},{"cvss_score":9.8,"headline":"Code injection in EMUI","id":"CVE-2023-52381","kev_date_added":null,"published":"2024-02-18"},{"cvss_score":9.8,"headline":"Memory corruption in EMUI","id":"CVE-2023-52103","kev_date_added":null,"published":"2024-01-16"},{"cvss_score":9.8,"headline":"Privilege escalation in EMUI","id":"CVE-2023-46773","kev_date_added":null,"published":"2023-12-06"},{"cvss_score":9.8,"headline":"Privilege escalation in EMUI","id":"CVE-2023-44105","kev_date_added":null,"published":"2023-10-11"},{"cvss_score":9.8,"headline":"Privilege escalation in EMUI","id":"CVE-2023-44106","kev_date_added":null,"published":"2023-10-11"}],"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":"yes","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2025-05-01","vendors":["Huawei"]},"summary":"Attackers can bypass secure memory attribute verification in the DRM module, causing abnormal video playback on Huawei devices.","url":"https://insights.sbomify.com/CVE-2021-46851/"}