CVE-2021-40109
CVSS V2 Medium 5.5
CVSS V3 Medium 6.4
Description
A SSRF issue was discovered in Concrete CMS through 8.5.5. Users can access forbidden files on their local network. A user with permissions to upload files from external sites can upload a URL that redirects to an internal resource of any file type. The redirect is followed and loads the contents of the file from the redirected-to server. Files of disallowed types can be uploaded.
Overview
- CVE ID
- CVE-2021-40109
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-27T13:15:08
- Last Modified Date
- 2021-09-30T15:32:38
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:* | 1 | OR | 8.5.6 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.4
- Base Severity
- MEDIUM
- Exploitability Score
- 3.1
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://hackerone.com/reports/1102105 | Permissions Required |
| https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes | Release Notes Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-40109 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40109 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:52:52 | Added to TrackCVE | |||
| 2022-12-05 11:19:40 | 2021-09-27T13:15Z | 2021-09-27T13:15:08 | CVE Published Date | updated |
| 2022-12-05 11:19:40 | 2021-09-30T15:32:38 | CVE Modified Date | updated | |
| 2022-12-05 11:19:40 | Analyzed | Vulnerability Status | updated |