CVE-2021-4105 - CVE House
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Status published Critical CVE-2021-4105

Unauthenticated Remote Code Execution on COSLAT Firewall

Vulnerability Description

Improper Handling of Parameters vulnerability in BG-TEK COSLAT Firewall allows Remote Code Inclusion. This issue affects COSLAT Firewall: from 5.24.0.R.20180630 before 5.24.0.R.20210727.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from BG-TEK

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CVE-2025-1496
Improper Authentication in BG-TEK's Coslat Hotspot
Medium 6.5

Affected Vendor

Affected Software

COSLAT Firewall
Vulnerable Versions:
5.24.0.r.20180630

Timeline

Official Publish: February 24th, 2023
Last Modified: May 18th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-755

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1203 Exploitation for Client Execution
Execution
T1213 Data from Information Repositories
Collection
T1499 Endpoint Denial of Service
Impact