CVE-2021-4105
CRITICAL
Published Feb 24, 20233y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Published Feb 24, 2023 3y ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-755
Affected Products 16
| Vendor | Product | Version | Range |
|---|---|---|---|
| bg-tek | coslat_bx5s1d3_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_bx5s1d3 | * | any |
| bg-tek | coslat_bx5s1d4_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_bx5s1d4 | * | any |
| bg-tek | coslat_bx5s1d5_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_bx5s1d5 | * | any |
| bg-tek | coslat_rm1ds1000_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_rm1ds1000 | * | any |
| bg-tek | coslat_rm2ds2000_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_rm2ds2000 | * | any |
| bg-tek | coslat_rm2s200_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_rm2s200 | * | any |
| bg-tek | coslat_rm3s300_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_rm3s300 | * | any |
| bg-tek | coslat_rm4s500_firmware | * | ≥5.24.0.r.20180630 – <5.24.0.r.20210727 |
| bg-tek | coslat_rm4s500 | * | any |
References 3
- blog.coslat.com http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html
- siberguvenlik.gov.tr https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0108
- usom.gov.tr https://www.usom.gov.tr/bildirim/tr-23-0108
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.