File Manipulation Vulnerability in SnapGear Management Console by Secure Computing
CVE-2020-36909

8.7HIGH

Key Information:

Vendor

Secure Computing

Status
Snapgear Management Console Sg560
Vendor
CVE Published:
6 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36909?

The SnapGear Management Console SG560 version 3.1.5 is affected by a file manipulation vulnerability that permits authenticated users to perform unauthorized actions such as reading, writing, and deleting files. This vulnerability arises from flaws in the edit_config_files CGI script, which can be exploited via manipulated POST request parameters. As a result, attackers may gain access to files outside of the restricted /etc/config/ directory, leading to potential security breaches.

Affected Version(s)

SnapGear Management Console SG560 3.1.5

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-2020-36909 - Proof of Concept

CVE-2020-36909 - Proof of Concept

References

https://www.exploit-db.com/exploits/48556
exploit
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-55...
third-party-advisory
https://packetstorm.news/files/id/157939
exploit

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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CVE-2020-36909 : File Manipulation Vulnerability in SnapGear Management Console by Secure Computing