{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-1787 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2020-1787 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-1787 is a medium-severity authentication bypass vulnerability in HUAWEI Mate 20, published on 9 Jan 2020. 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-2020-1787 and fix it if it is affected.\n\nWhat it is: CVE-2020-1787 is a medium-severity authentication bypass vulnerability in HUAWEI Mate 20, published on 9 Jan 2020. 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-2020-1787 in the wild and no public exploit code.\n\nAffected product: HUAWEI Mate 20. 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-2020-1787/ (Markdown: https://insights.sbomify.com/CVE-2020-1787/index.md)","id":"CVE-2020-1787","markdown":"https://insights.sbomify.com/CVE-2020-1787/index.md","name":"CVE-2020-1787","record":{"aliases":["GHSA-pq48-j2pq-xj5j"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["security_bypass","data_read"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Huawei smartphone OS","requires_auth":"low_privilege","summary":"A logic error allows a guest user to bypass the host user's screen lock and access their desktop, requiring a system update.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"huawei","cpe":[{"product":"mate_20_firmware","vendor":"huawei"}],"cvss":{"score":6.6,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"}],"description":"HUAWEI Mate 20 smartphones versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. The system has a logic error under certain scenario, successful exploit could allow the attacker who gains the privilege of guest user to access to the host user's desktop in an instant, without unlocking the screen lock of the host user.","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":"Auth bypass in HUAWEI Mate 20","id":"CVE-2020-1787","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2020"},"n_packages":0,"n_references":1,"next":{"headline":"Auth bypass in Honor V30","id":"CVE-2020-1788"},"packages":[],"prev":{"headline":"Auth bypass in HUAWEI Mate 20 Pro","id":"CVE-2020-1786"},"products":["HUAWEI Mate 20"],"published":"2020-01-09","related":[{"cvss_score":8,"headline":"Memory corruption in HUAWEI Mate 20","id":"CVE-2020-9113","kev_date_added":null,"published":"2020-10-19"},{"cvss_score":7.8,"headline":"Memory corruption in P30, Mate 20, P30 Pro","id":"CVE-2019-5225","kev_date_added":null,"published":"2019-11-29"},{"cvss_score":6.6,"headline":"Missing authorization in HUAWEI Mate 20;HUAWEI Mate 30 Pro","id":"CVE-2020-1796","kev_date_added":null,"published":"2020-03-20"},{"cvss_score":6,"headline":"Auth bypass in HUAWEI Mate 20","id":"CVE-2020-1840","kev_date_added":null,"published":"2020-01-21"},{"cvss_score":5.3,"headline":"Huawei VIP App is a mobile app for Malaysia customers that purchased P20 Series, Nova 3/3i and Mate 20.","id":"CVE-2018-7956","kev_date_added":null,"published":"2018-12-04"},{"cvss_score":4.6,"headline":"Cross-site scripting in HUAWEI Mate 20","id":"CVE-2020-9092","kev_date_added":null,"published":"2020-10-19"}],"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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["Huawei"]},"summary":"A logic error allows a guest user to bypass the host user's screen lock and access their desktop, requiring a system update.","url":"https://insights.sbomify.com/CVE-2020-1787/"}