Authenticated Arbitrary File Upload in CMS Made Simple by CMS Made Simple
CVE-2020-17462

7.8HIGH

Key Information:

Vendor

Cmsmadesimple

Status
Cms Made Simple
Vendor
CVE Published:
14 August 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-17462?

CMS Made Simple 2.2.14 contains a vulnerability that permits authenticated users to upload arbitrary files through the File Manager. This weakness stems from the failure to block the upload of .ptar files, leading to potential unauthorized access and exploitation. It poses a significant risk as attackers can exploit this flaw to upload malicious files, potentially compromising the entire system and its data integrity.

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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-2020-17462 - Proof of Concept

References

https://www.exploit-db.com/exploits/48742
exploitx_refsource_EXPLOIT-DB

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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