CVE Feed

    Dashboard / CVE / CVE-2021-22970

    CVE-2021-22970

    Concrete CMS (formerly concrete5) versions 8.5.6 and below and version 9.0.0 allow local IP importing causing the system to be vulnerable toa. SSRF attacks on the private LAN servers by reading files from the local LAN. An attacker can pivot in the private LAN and exploit local network appsandb. SSRF Mitigation Bypass through DNS RebindingConcrete CMS security team gave this a CVSS score of 3.5 AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:NConcrete CMS is maintaining Concrete version 8.5.x until 1 May 2022 for security fixes.This CVE is shared with HackerOne Reports https://hackerone.com/reports/1364797 and https://hackerone.com/reports/1360016Reporters: Adrian Tiron from FORTBRIDGE (https://www.fortbridge.co.uk/ ) and Bipul Jaiswal

    Published:Nov 19, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 19, 2021
    EPSS Score:0.00386
    CVSS Score:7.5

    Affected Products

    Vendor
    Concretecms
    Product
    Concrete Cms

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-81906 (CVSS 6.3) — Concrete CMS OAuth callback login path prior to version 9.5.3 did not check whether an account was active or e…
    CVE-2026-81905 (CVSS 6.3) — Concrete CMS below 9.5.3 stores user validation hashes for multiple purposes (email/registration validation, p…
    CVE-2026-18121 (CVSS 6.3) — Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) because the frontend calendar lig…
    CVE-2026-68527 (CVSS 5.9) — Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit…
    CVE-2026-81904 (CVSS 6.3) — Concrete CMS below 9.5.3 registered view assets for every sub-block of a Stack, Container, or layout area with…
    CVE-2026-10721 (CVSS 8.4) — Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the  in Permission, …
    CVE-2026-7888 (CVSS 8.4) — Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form b…
    CVE-2026-8353 (CVSS 2.1) — Concrete CMS version 9.0 to 9.5.0 is vulnerable to Stored XSS via page name in the Atomik theme. A rogue edito…
    CVE-2026-8347 (CVSS 2.3) — Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in the Express association Reor…
    CVE-2026-8340 (CVSS 2.3) — Concrete CMS 9.5.0 and below is vulnerable to CSRF via Backend\File::approveVersion. Victim with edit_file_con…

    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