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CVE-2021-28428
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
File upload vulnerability in HorizontCMS before 1.0.0-beta.3 via uploading a .htaccess and *.hello files using the Media Files upload functionality. The original file upload vulnerability (CVE-2020-27387) was remediated by restricting the PHP extensions; however, we confirmed that the filter was bypassed via uploading an arbitrary .htaccess and *.hello files in order to execute PHP code to gain RCE..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- Critical
- Base Score
- 9.8/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 5.9/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:beta:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha:*:*:*: |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha2:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha3:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha4:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha5:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha6:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha7:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:alpha8:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:beta2:*:*:*: |
Yes
|
- | - | |
| cpe:2.3:a:horizontcms_project:horizontcms:1.0.0:-:*:*:*:*:*: |
Yes
|
- | - |