CVE-2020-36909

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.

Score

CVSS 3.1 8.8 High

Status

Analyzed - disclosure@vulncheck.com

Published

2026-01-06

Last modified

2026-07-15

Weaknesses

CWE-22

Affected products

• Snapgear Sg560 (Securecomputing)
• Snapgear Sg560 Firmware (Securecomputing)

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/182960
• https://packetstorm.news/files/id/157939
• https://www.exploit-db.com/exploits/48556
• https://www.vulncheck.com/advisories/secure-computing-snapgear-management-console-sg-arbitrary-file-readwrite
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5568.php