Secure Computing SnapGear Management Console SG560 3.1.5 edit_config_files path traversal

Summaryinfo

A vulnerability described as critical has been identified in Secure Computing SnapGear Management Console SG560 3.1.5. The affected element is an unknown function of the file /cgi-bin/cgix/edit_config_files of the component Management Console. The manipulation results in path traversal. This vulnerability was named CVE-2020-36909. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Secure Computing SnapGear Management Console SG560 3.1.5. Affected is an unknown code block of the file /cgi-bin/cgix/edit_config_files of the component Management Console. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

SnapGear Management Console SG560 3.1.5 contains a file manipulation vulnerability that allows authenticated users to read, write, and delete files using the edit_config_files CGI script. Attackers can manipulate POST request parameters in /cgi-bin/cgix/edit_config_files to access and modify files outside the intended /etc/config/ directory.

The weakness was presented by Gjoko Krstic as 48556. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2020-36909 since 01/03/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/07/2026). The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-1029). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Secure Computing

Name

• SnapGear Management Console SG560

Version

• 3.1.5

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Once again VulDB remains the best source for vulnerability data.

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