{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2019-5453 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2019-5453 yet. Limit exposure of the affected software until one is available.","what":"CVE-2019-5453 is a medium-severity authentication bypass vulnerability in com.nextcloud.client, published on 30 Jul 2019. 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-2019-5453 and fix it if it is affected.\n\nWhat it is: CVE-2019-5453 is a medium-severity authentication bypass vulnerability in com.nextcloud.client, published on 30 Jul 2019. 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-2019-5453 in the wild and no public exploit code.\n\nAffected product: com.nextcloud.client. 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-2019-5453/ (Markdown: https://insights.sbomify.com/CVE-2019-5453/index.md)","id":"CVE-2019-5453","markdown":"https://insights.sbomify.com/CVE-2019-5453/index.md","name":"CVE-2019-5453","record":{"aliases":["GHSA-8q57-r99x-pmhc"],"analysis":{"component_type":"mobile_application","fix_type":"upgrade","impacts":["data_read","security_bypass"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Nextcloud Android app","requires_auth":"none","summary":"Attackers can bypass lock protection in the Nextcloud Android app to access files by switching to the file provider during the lock prompt.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"hackerone","cpe":[{"product":"nextcloud","vendor":"nextcloud"}],"cvss":{"score":6.1,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"},{"id":"CWE-288","name":"Authentication Bypass Using an Alternate Path or Channel"}],"description":"Bypass lock protection in the Nextcloud Android app prior to version 3.3.0 allowed access to files when being prompted for the lock protection and switching to the Nextcloud file provider.","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":"Auth bypass in com.nextcloud.client","id":"CVE-2019-5453","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"auth_bypass","year":"2019"},"n_packages":0,"n_references":1,"next":{"headline":"SQL injection in com.nextcloud.client","id":"CVE-2019-5454"},"packages":[],"prev":{"headline":"Security feature bypass in com.nextcloud.client","id":"CVE-2019-5452"},"products":["com.nextcloud.client"],"published":"2019-07-30","related":[{"cvss_score":9.8,"headline":"SQL injection in com.nextcloud.client","id":"CVE-2019-5454","kev_date_added":null,"published":"2019-07-30"},{"cvss_score":7.5,"headline":"SQL Injection in FileContentProvider (GHSL-2021-1007)","id":"CVE-2021-43863","kev_date_added":null,"published":"2022-01-25"},{"cvss_score":6.8,"headline":"Cross-site scripting in com.nextcloud.client","id":"CVE-2019-5450","kev_date_added":null,"published":"2019-07-30"},{"cvss_score":6.8,"headline":"Auth bypass in com.nextcloud.client","id":"CVE-2019-5455","kev_date_added":null,"published":"2019-07-30"},{"cvss_score":6.5,"headline":"Information disclosure in Nextcloud Android App (com.nextcloud.client)","id":"CVE-2021-22905","kev_date_added":null,"published":"2021-06-11"},{"cvss_score":6.5,"headline":"Information disclosure in Nextcloud iOS app (it.twsweb.Nextcloud)","id":"CVE-2021-22912","kev_date_added":null,"published":"2021-06-11"},{"cvss_score":6.1,"headline":"Auth bypass in Nextcloud Android","id":"CVE-2019-15615","kev_date_added":null,"published":"2020-02-04"}],"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":["Nextcloud"]},"summary":"Attackers can bypass lock protection in the Nextcloud Android app to access files by switching to the file provider during the lock prompt.","url":"https://insights.sbomify.com/CVE-2019-5453/"}