VYPR
High severity7.5NVD Advisory· Published Nov 19, 2021· Updated Jun 17, 2026

CVE-2021-22970

CVE-2021-22970

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
concrete5/corePackagist
< 8.5.78.5.7

Affected products

4
  • cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*range: <=8.5.6
    • cpe:2.3:a:concretecms:concrete_cms:9.0:*:*:*:*:*:*:*
  • Concrete CMS/Concrete CMSdescription
  • ghsa-coords
    Range: < 8.5.7

Patches

Vulnerability mechanics

References

5

News mentions

0

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