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Vulnerability record · CVE-2020-36909 · published 6 January 2026

CVE-2020-36909: Securecomputing snapgear sg560 firmware path traversal vulnerability

SSecurecomputing · Snapgear Sg560 Firmware

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.

8.7 CVSS 4.0 High EPSS 0.72% · top 47.9% CWE-22 · Path traversal
8.7CVSS 4.0 base score
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 3 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-36909), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.