SSRF in Concretecms Concrete Cms
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. 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
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Concretecms Concrete_cms — versions 9.0
- N/a Https://github.com/concrete5/concrete5 — versions Affected versions Concrete CMS (formerly concrete5) versions below 8.5.6 and 9.0.0. Fixed versions 9.0.1 and 8.5.7
Weakness classification (CWE)
References
- support@hackerone.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- support@hackerone.com (Permissions Required, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22970?
- CVE-2021-22970 is a high-severity vulnerability in Concretecms Concrete Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2021-11-19.
- How severe is CVE-2021-22970?
- High severity. CVSS v3 base score is 7.5 out of 10.