CVE-2021-4105

CRITICAL

BG-TEK COSLAT Firewall 5.24.0.R.20180630-5.24.0.R.20210727 - Remote Code Inclusion via Improper Parameter Handling

Title source: llm

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.

References (3)

Core 3

Core References

Vendor Advisory vendor-advisory

http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html

Third Party Advisory government-resource broken-link

https://www.usom.gov.tr/bildirim/tr-23-0108

Government Resource government-resource

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0108

Scores

CVSS v3 9.8

EPSS 0.0086

EPSS Percentile 53.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-755

Status published

Products (9)

BG-TEK/COSLAT Firewall 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_bx5s1d3_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_bx5s1d4_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_bx5s1d5_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_rm1ds1000_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_rm2ds2000_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_rm2s200_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_rm3s300_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

bg-tek/coslat_rm4s500_firmware 5.24.0.r.20180630 - 5.24.0.r.20210727

Published Feb 24, 2023

Tracked Since Feb 18, 2026