Remote Code Execution Vulnerability in Subrion CMS by Intelliants
CVE-2018-19422

7.2HIGH

Key Information:

Vendor

Intelliants

Status
Subrion Cms
Vendor
CVE Published:
21 November 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 86%

What is CVE-2018-19422?

A security vulnerability in Subrion CMS version 4.2.1 allows attackers to exploit improper file handling that permits the upload of arbitrary PHP code through .pht or .phar files. The absence of necessary restrictions in the .htaccess file can lead to unauthorized remote code execution, potentially compromising the server and leading to further security breaches.

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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-2018-19422-SubrionCMS-RCE
Created by hev0x

SubrionCMS-4.2.1-File-upload-RCE-auth-
Created by Swammers8

CVE-2018-19422
Created by Drew-Alleman

References

https://github.com/intelliants/subrion/issues/801
http://packetstormsecurity.com/files/162591/Subrion-CMS-4...
http://packetstormsecurity.com/files/173998/Intelliants-S...

EPSS Score

86% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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