{ "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29487", "STATE": "PUBLIC", "TITLE": "Authentication bypass in Octobercms" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "october", "version": { "version_data": [ { "version_value": ">= 1.0.471, < 1.0.472" }, { "version_value": ">= 1.1.1, < 1.1.5" } ] } } ] }, "vendor_name": "octobercms" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can exploit this vulnerability to bypass authentication and takeover of and user account on an October CMS server. The vulnerability is exploitable by unauthenticated users via a specially crafted request. This only affects frontend users and the attacker must obtain a Laravel secret key for cookie encryption and signing in order to exploit this vulnerability. The issue has been patched in Build 472 and v1.1.5." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-287: Improper Authentication" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374", "refsource": "MISC", "url": "https://github.com/octobercms/library/commit/016a297b1bec55d2e53bc889458ed2cb5c3e9374" }, { "name": "https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9", "refsource": "MISC", "url": "https://github.com/octobercms/library/commit/5bd1a28140b825baebe6becd4f7562299d3de3b9" }, { "name": "https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5", "refsource": "CONFIRM", "url": "https://github.com/octobercms/october/security/advisories/GHSA-h76r-vgf3-j6w5" } ] }, "source": { "advisory": "GHSA-h76r-vgf3-j6w5", "discovery": "UNKNOWN" } }