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CVE-2020-36909

Secure Computing SnapGear Management Console SG560 3.1.5 Arbitrary File Read/Write

Published: Jan 6, 2026Updated: Feb 23, 2026 Sources: CVE List NVDCWE-22
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.6%
Top 54.4%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

SnapGear Management Console SG560Secure Computing
On-prem
Security Products / secure-gateway-vpn
snapgear sg560 firmwaresecurecomputing
On-prem
Security Products / secure-gateway-vpn
secure computingcommercialSecurity Products
securecomputingcommercialSecurity Productsaka sidewinder g2, securityreporter, sidewinder

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://www.exploit-db.com/exploits/48556
exploit-db.com
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5568.php
zeroscience.mk
https://packetstorm.news/files/id/157939
packetstorm.news
and 2 more references View all →

Timeline

Published
Jan 6, 2026
Last Updated
Feb 23, 2026

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