What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2021-22970.

What is the severity rating of CVE-2021-22970?

CVE-2021-22970 has a severity rating of 7.5 (high).

Which versions of Concrete CMS are affected by CVE-2021-22970?

Concrete CMS versions 8.5.6 and below, as well as version 9.0.0, are affected by CVE-2021-22970.

What is the impact of CVE-2021-22970?

CVE-2021-22970 allows for SSRF attacks on private LAN servers, potentially enabling an attacker to read files from the local LAN and exploit local network apps.

Are there any references or resources for CVE-2021-22970?

Yes, here are some references for more information on CVE-2021-22970: - https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes - https://documentation.concretecms.org/developers/introduction/version-history/901-release-notes - https://hackerone.com/reports/1364797

Vulnerability/
CVE-2021-22970

high

7.5

CWE

918

19/11/2021

23/11/2021

CVE-2021-22970: SSRF

First published: Fri Nov 19 2021(Updated: )

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

Credit: support@hackerone.com

Affected Software	Affected Version	How to fix
Concretecms Concrete Cms	<=8.5.6
Concretecms Concrete Cms	=9.0

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Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-22970.
What is the severity rating of CVE-2021-22970?
CVE-2021-22970 has a severity rating of 7.5 (high).
Which versions of Concrete CMS are affected by CVE-2021-22970?
Concrete CMS versions 8.5.6 and below, as well as version 9.0.0, are affected by CVE-2021-22970.
What is the impact of CVE-2021-22970?
CVE-2021-22970 allows for SSRF attacks on private LAN servers, potentially enabling an attacker to read files from the local LAN and exploit local network apps.
Are there any references or resources for CVE-2021-22970?
Yes, here are some references for more information on CVE-2021-22970: - https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes - https://documentation.concretecms.org/developers/introduction/version-history/901-release-notes - https://hackerone.com/reports/1364797

collector/nvd-index
vendor/concretecms
canonical/concretecms concrete cms
version/concretecms concrete cms/8.5.6
version/concretecms concrete cms/9.0

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