{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2021-20315 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-20315 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-20315 is a medium-severity vulnerability in gnome-shell, published on 18 Feb 2022. 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-2021-20315 and fix it if it is affected.\n\nWhat it is: CVE-2021-20315 is a medium-severity vulnerability in gnome-shell, published on 18 Feb 2022. 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-2021-20315 in the wild and no public exploit code.\n\nAffected product: gnome-shell. 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-2021-20315/ (Markdown: https://insights.sbomify.com/CVE-2021-20315/index.md)","id":"CVE-2021-20315","markdown":"https://insights.sbomify.com/CVE-2021-20315/index.md","name":"CVE-2021-20315","record":{"aliases":["GHSA-hpr5-wwh9-pjhf"],"analysis":{"component_type":"operating_system","fix_type":"patch","impacts":["privilege_escalation","code_execution"],"network_reachable":"adjacent_or_local","non_default_config":true,"product_category":"GNOME Shell","requires_auth":"none","summary":"A physical attacker can bypass screen lock to kill and launch applications as the locked user when specific GNOME extensions are enabled.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"stream","vendor":"centos"},{"product":"gnome-shell","vendor":"gnome"}],"cvss":{"score":6.1,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-667","name":"Improper Locking"}],"description":"A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the \"Application menu\" or \"Window list\" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Security feature bypass in gnome-shell","id":"CVE-2021-20315","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"security_feature_bypass","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Race condition in samba","id":"CVE-2021-20316"},"packages":[],"prev":{"headline":"Memory corruption in libspf2","id":"CVE-2021-20314"},"products":["gnome-shell"],"published":"2022-02-18","related":[],"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":"2024-08-03","vendors":["n/a"]},"summary":"A physical attacker can bypass screen lock to kill and launch applications as the locked user when specific GNOME extensions are enabled.","url":"https://insights.sbomify.com/CVE-2021-20315/"}