CVE-2021-22970

2021-11-1918:08:53

CWE-918

hackerone

www.cve.org

concrete cms

ssrf attacks

mitigation bypass

cve-2021-22970

local ip importing

security fix

hackerone reports

vulnerability

cvss score

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

50.1%

JSON

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

CNA Affected

[
  {
    "product": "https://github.com/concrete5/concrete5",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Affected versions Concrete CMS (formerly concrete5) versions below 8.5.6 and 9.0.0. Fixed versions 9.0.1 and 8.5.7"
      }
    ]
  }
]