{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2021-4105",
        "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "state": "PUBLISHED",
        "assignerShortName": "TR-CERT",
        "dateReserved": "2021-12-13T12:15:35.293Z",
        "datePublished": "2023-02-24T11:09:46.710Z",
        "dateUpdated": "2026-05-18T12:08:00.909Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
                "shortName": "TR-CERT",
                "dateUpdated": "2026-05-18T12:08:00.909Z"
            },
            "title": "Unauthenticated Remote Code Execution on COSLAT Firewall",
            "datePublic": "2023-02-24T11:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-755",
                            "description": "CWE-755 Improper Handling of Exceptional Conditions",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-253",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-253 Remote Code Inclusion"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "BG-TEK",
                    "product": "COSLAT Firewall",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "5.24.0.r.20180630",
                            "lessThan": "5.24.0.r.20210727",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Improper Handling of Parameters vulnerability in BG-TEK COSLAT Firewall allows Remote Code Inclusion.<p>This issue affects COSLAT Firewall: from 5.24.0.R.20180630 before 5.24.0.R.20210727.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://www.usom.gov.tr/bildirim/tr-23-0108",
                    "tags": [
                        "government-resource",
                        "broken-link"
                    ]
                },
                {
                    "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0108",
                    "tags": [
                        "government-resource"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.8,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Update the version to >=\n\n5.24.0.r.20210727",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Update the version to &gt;=\n\n5.24.0.r.20210727"
                        }
                    ]
                }
            ],
            "timeline": [
                {
                    "time": "2021-07-26T21:00:00.000Z",
                    "lang": "en",
                    "value": "Vendor patched the vulnerability."
                }
            ],
            "source": {
                "defect": [
                    "TR-23-0108"
                ],
                "advisory": "TR-23-0108",
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.1.0-dev"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:16:04.180Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "http://blog.coslat.com/2021/07/onemli-kritik-guncelleme-2021-07-27.html"
                    },
                    {
                        "tags": [
                            "government-resource",
                            "x_transferred"
                        ],
                        "url": "https://www.usom.gov.tr/bildirim/tr-23-0108"
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-03-11T15:46:22.107439Z",
                                "id": "CVE-2021-4105",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-03-11T15:46:27.196Z"
                }
            }
        ]
    }
}