CVE-2021-4105

9.8 CRITICAL

Improper Handling of Parameters vulnerability in BG-TEK COSLAT Firewall allows Remote Code Inclusion

Published: 2023-02-24 · Last updated: 2026-05-18

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-755

Affected products

Vendor	Product
bg-tek	coslat_bx5s1d3_firmware, coslat_bx5s1d4_firmware, coslat_bx5s1d5_firmware

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-4105
[Vendor advisory]http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html
[Other]https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0108
[Other]https://www.usom.gov.tr/bildirim/tr-23-0108
[Vendor advisory]http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html
[Other]https://www.usom.gov.tr/bildirim/tr-23-0108

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