Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Name CVE-2020-27386 First vendor Publication 2020-11-12
Vendor Cve Last vendor Modification 2020-12-08

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores


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 /.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27386

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-434 Unrestricted Upload of File with Dangerous Type (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Application 1

Metasploit Database

id Description
2020-09-28 FlexDotnetCMS Arbitrary ASP File Upload

Sources (Detail)

Source Url
MISC http://packetstormsecurity.com/files/160411/FlexDotnetCMS-1.5.8-Arbitrary-ASP...

Alert History

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Date Informations
2020-12-09 00:23:02
  • Multiple Updates
2020-12-08 00:22:44
  • Multiple Updates
2020-11-30 21:23:18
  • Multiple Updates
2020-11-13 00:22:57
  • First insertion