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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Vendor Advisory concretecms.org Vendor Advisory concretecms.org
Affected: n/a https://github.com/concrete5/concrete5
Published at:
Updated at:

References

Link Tags
https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes release notes vendor advisory
https://hackerone.com/reports/1364797 permissions required
https://documentation.concretecms.org/developers/introduction/version-history/901-release-notes release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22970?
CVE-2021-22970 has been scored as a high severity vulnerability.
How to fix CVE-2021-22970?
To fix CVE-2021-22970, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22970 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22970 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22970?
CVE-2021-22970 affects n/a https://github.com/concrete5/concrete5.
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