01 Record
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
UnratedPUBLISHEDCNA: hackerone
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 73.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-11-19 18:08Z4 YR AGO
- Last updated
- 2024-08-03 18:58Z2 YR AGO
- Reserved
- 2021-01-06
- Assigning CNA
- hackerone
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-918Server-Side Request Forgery (SSRF)Base
- Data version
- 5.1
- Document digest
- 1744134ed527a1f8136d5aac28dc26c36e63b6bebc4f5ef1025c16fdacc75dfe
05 Affected products
VendorProductVersionsPlatforms
n/ahttps://github.com/concrete5/concrete5Affected versions Concrete CMS (formerly concrete5) versions below 8.5.6 and 9.0.0. Fixed versions 9.0.1 and 8.5.7—
06 References
- documentation.concretecms.orghttps://documentation.concretecms.org/developers/introduction/version-history/857-release-notes
- hackerone.comhttps://hackerone.com/reports/1364797
- documentation.concretecms.orghttps://documentation.concretecms.org/developers/introduction/version-history/901-release-notes