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
                
            Metrics
Affected Vendors & Products
Advisories
    | Source | ID | Title | 
|---|---|---|
  EUVD | 
                EUVD-2021-2351 | 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 | 
  Github GHSA | 
                GHSA-gqpw-9q54-9x28 | Server-Side Request Forgery in Concrete CMS | 
Fixes
    Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
        History
                    Sat, 12 Jul 2025 13:45:00 +0000
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Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2024-08-03T18:58:25.986Z
Reserved: 2021-01-06T00:00:00
Link: CVE-2021-22970
No data.
Status : Modified
Published: 2021-11-19T19:15:08.563
Modified: 2024-11-21T05:51:02.717
Link: CVE-2021-22970
No data.
                        OpenCVE Enrichment
                    No data.
 EUVD
 Github GHSA