{"id":"CVE-2021-4194","published":"2022-01-06T17:35:10Z","modified":"2024-08-03T17:16:04Z","title":"Improper Access Control in bookstackapp/bookstack","vendor":"bookstackapp","product":"bookstackapp/bookstack","tier":"tail","description":{"text":"bookstack is vulnerable to Improper Access Control","provenance":"source","from":"CVE.org"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00731,"percentile":0.54258,"provenance":"source"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"https://huntr.dev/bounties/0bc8b3f7-9057-4eb7-a989-24cd5689f114","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/bookstackapp/bookstack/commit/cb0d674a71449de883713db2fcdccb6e108992ad","tags":["x_refsource_MISC"]}],"priority":{"score":13.9,"factors":[{"name":"EPSS percentile","points":10.85},{"name":"CVSS severity","points":3.01}]},"vendorSlug":"bookstackapp","affectedVersions":[{"vendor":"bookstackapp","product":"bookstackapp/bookstack","versions":[">= unspecified, < 21.12.1"]}],"affected":[{"ecosystem":"Packagist","package":"ssddanbrown/bookstack","vulnerableRanges":["<21.12.1"],"patched":["21.12.1"],"from":["GHSA-ghhm-xrwp-75m9"],"provenance":"source"}],"euvd":{"id":"EUVD-2022-0605","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-bookstackapp-bookstack-cve-2021-4026","packageHistory":[{"cve":"CVE-2021-3944","published":"2021-12-02","fixed":"21.11","kev":false},{"cve":"CVE-2021-4026","published":"2021-11-30","fixed":"21.11.2","kev":false},{"cve":"CVE-2021-4119","published":"2021-12-15","fixed":"21.11.3","kev":false,"link":{"from":"CVE-2021-4119","to":"CVE-2021-4194","relation":"successor","confidence":"medium","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Packagist:ssddanbrown/bookstack","fromFixed":"21.11.3","toFixed":"21.12.1","daysApart":22},{"kind":"similar","provenance":"machine","score":1.0,"basis":"same product + CWE + description similarity"}]}},{"cve":"CVE-2021-4194","published":"2022-01-06","fixed":"21.12.1","kev":false},{"cve":"CVE-2022-0877","published":"2022-03-08","fixed":"22.02.3","kev":false},{"cve":"CVE-2024-36676","published":"2024-07-09","fixed":"24.05.1","kev":false}],"package":"Packagist:ssddanbrown/bookstack"}}