Remote Code Execution Vulnerability in rConfig 3.9.4 by rConfig
CVE-2020-12255

8.8HIGH

Key Information:

Vendor

Rconfig

Status
Rconfig
Vendor
CVE Published:
18 May 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 52%

What is CVE-2020-12255?

The file upload functionality in rConfig 3.9.4 is susceptible to remote code execution. The vulnerability arises from a lack of thorough validation during file uploads. Specifically, the vendor.crud.php component permits file uploads while only checking the content-type, disregarding the file's actual extension and header. This oversight allows an attacker to upload a malicious .php file disguised as an image, potentially executing arbitrary PHP code on the server.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-12255
Created by vishwaraj101

References

https://gist.github.com/farid007/9f6ad063645d5b1550298c8b...
x_refsource_MISC

EPSS Score

52% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.