CVE Feed

    Dashboard / CVE / CVE-2021-27903

    CVE-2021-27903

    An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker were somehow able to hijack an administrator's session).

    Published:Jun 30, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 30, 2021
    EPSS Score:0.03824
    CVSS Score:9.8

    Affected Products

    Vendor
    Craftcms
    Product
    Craft Cms

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-86732 (CVSS 8.7) — Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint …
    CVE-2026-86731 (CVSS 7.1) — Craft CMS versions 5.0.0-RC1 through 5.10.11 are missing an admin-target guard in UsersController::actionActiv…
    CVE-2026-86730 (CVSS 8.7) — Craft CMS versions before 5.10.12 fail to properly cleanse string-typed field-layout elements, allowing authen…
    CVE-2026-84802 (CVSS 5.3) — Craft CMS versions from 5.7.0 before 5.10.12 contain an information disclosure vulnerability in AssetsControll…
    CVE-2026-84801 (CVSS 8.7) — Craft CMS versions before 5.10.11 fail to validate admin status in the actionGetPasswordResetUrl endpoint, all…
    CVE-2026-84800 (CVSS 7.1) — Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 contain a missing authorization vulnerability in AssetsControlle…
    CVE-2026-84799 (CVSS 5.3) — Craft CMS before 5.11.0 fails to enforce user-group scope filters on native GraphQL user relations including a…
    CVE-2026-84798 (CVSS 7.1) — Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 fail to perform an independent authorization check in ElementsCo…
    CVE-2026-84797 (CVSS 5.3) — Craft CMS versions before 5.10.11 contain an authorization bypass vulnerability in ElementsController::actionD…
    CVE-2026-84796 (CVSS 8.7) — Craft CMS versions before 5.10.11 contain a site scope bypass vulnerability in GraphQL entry mutation resolver…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High