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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- concretecms/concrete cms
- Source
- support@hackerone.com
References
- https://documentation.concretecms.org/developers/introduction/version-history/857-release-notesRelease Notes, Vendor Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/901-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1364797Permissions Required
- https://documentation.concretecms.org/developers/introduction/version-history/857-release-notesRelease Notes, Vendor Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/901-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1364797Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.