An unrestricted file upload issue in FlexDotnetCMS before v1.5.9 allows an authenticated remote attacker to upload and execute arbitrary files by using the FileManager to upload malicious code (e.g., ASP code) in the form of a safe file type (e.g., a TXT file), and then using the FileEditor (in v1.5.8 and prior) or the FileManager's rename function (in v1.5.7 and prior) to rename the file to an executable extension (e.g., ASP), and finally executing the file via an HTTP GET request to /<path_to_file>.
                
            References
                    | Link | Resource | 
|---|---|
| http://packetstormsecurity.com/files/160411/FlexDotnetCMS-1.5.8-Arbitrary-ASP-File-Upload.html | Third Party Advisory VDB Entry | 
| https://blog.vonahi.io/whats-in-a-re-name/ | Exploit Third Party Advisory | 
| https://github.com/MacdonaldRobinson/FlexDotnetCMS/releases/tag/v1.5.9 | Release Notes Third Party Advisory | 
| https://github.com/rapid7/metasploit-framework/pull/14339 | Exploit Patch Third Party Advisory | 
| http://packetstormsecurity.com/files/160411/FlexDotnetCMS-1.5.8-Arbitrary-ASP-File-Upload.html | Third Party Advisory VDB Entry | 
| https://blog.vonahi.io/whats-in-a-re-name/ | Exploit Third Party Advisory | 
| https://github.com/MacdonaldRobinson/FlexDotnetCMS/releases/tag/v1.5.9 | Release Notes Third Party Advisory | 
| https://github.com/rapid7/metasploit-framework/pull/14339 | Exploit Patch Third Party Advisory | 
Configurations
                    History
                    21 Nov 2024, 05:21
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () http://packetstormsecurity.com/files/160411/FlexDotnetCMS-1.5.8-Arbitrary-ASP-File-Upload.html - Third Party Advisory, VDB Entry | |
| References | () https://blog.vonahi.io/whats-in-a-re-name/ - Exploit, Third Party Advisory | |
| References | () https://github.com/MacdonaldRobinson/FlexDotnetCMS/releases/tag/v1.5.9 - Release Notes, Third Party Advisory | |
| References | () https://github.com/rapid7/metasploit-framework/pull/14339 - Exploit, Patch, Third Party Advisory | 
Information
                Published : 2020-11-12 19:15
Updated : 2024-11-21 05:21
NVD link : CVE-2020-27386
Mitre link : CVE-2020-27386
CVE.ORG link : CVE-2020-27386
JSON object : View
Products Affected
                flexdotnetcms_project
- flexdotnetcms
CWE
                
                    
                        
                        CWE-434
                        
            Unrestricted Upload of File with Dangerous Type
