{"cve":"CVE-2021-4105","nvd":{"published":"2023-02-24T12:15:30.127","modified":"2026-06-17T04:19:02.697","status":"Modified","description":"Improper Handling of Parameters vulnerability in BG-TEK COSLAT Firewall allows Remote Code Inclusion.\n\nThis issue affects COSLAT Firewall: from 5.24.0.R.20180630 before 5.24.0.R.20210727.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-755"],"references":["http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html","https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0108","https://www.usom.gov.tr/bildirim/tr-23-0108","http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html","https://www.usom.gov.tr/bildirim/tr-23-0108"],"products":["bg-tek:coslat_bx5s1d3_firmware","bg-tek:coslat_bx5s1d4_firmware","bg-tek:coslat_bx5s1d5_firmware","bg-tek:coslat_rm1ds1000_firmware","bg-tek:coslat_rm2ds2000_firmware","bg-tek:coslat_rm2s200_firmware","bg-tek:coslat_rm3s300_firmware","bg-tek:coslat_rm4s500_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2021-4105","score":0.00865,"percentile":0.5867,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}