vuln-cve/data/2025/36xxx/CVE-2025-36855.json

{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2025-36855",
        "assignerOrgId": "36c7be3b-2937-45df-85ea-ca7133ea542c",
        "state": "PUBLISHED",
        "assignerShortName": "HeroDevs",
        "dateReserved": "2025-04-15T23:50:31.198Z",
        "datePublished": "2025-09-08T13:57:28.386Z",
        "dateUpdated": "2025-09-08T14:06:24.393Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "platforms": [
                        "Unknown"
                    ],
                    "product": ".NET 6.0",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "lessThan": "6.0.36",
                            "status": "affected",
                            "version": "6.0.0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "datePublic": "2025-01-14T08:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en-US",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>A vulnerability (<a target=\"_blank\" rel=\"nofollow\" href=\"https://www.cve.org/CVERecord?id=CVE-2025-21176\">CVE-2025-21176</a>) exists in <em>DiaSymReader.dll</em>&nbsp;due to buffer over-read.</p> <p>Per <a target=\"_blank\" rel=\"nofollow\" href=\"https://cwe.mitre.org/data/definitions/126.html\">CWE-126: Buffer Over-read</a>, Buffer Over-read is when a product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.</p> <div> <div>This issue affects EOL ASP.NET 6.0.0 &lt;= 6.0.36 as represented in this CVE, as well as 8.0.0 &lt;= 8.0.11 &amp; &lt;= 9.0.0 as represented in&nbsp;CVE-2025-21176.</div> </div> <p>Additionally, if you've deployed <a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.microsoft.com/dotnet/core/deploying/#self-contained-deployments-scd\">self-contained applications</a>&nbsp;targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.</p> <p><strong>NOTE:</strong>&nbsp;This CVE affects only <strong>End Of Life (EOL)&nbsp;</strong>software components. The vendor, Microsoft, has indicated there will be no future updates nor support provided upon inquiry.</p>"
                        }
                    ],
                    "value": "A vulnerability ( CVE-2025-21176 https://www.cve.org/CVERecord ) exists in DiaSymReader.dll due to buffer over-read.\n\n Per  CWE-126: Buffer Over-read https://cwe.mitre.org/data/definitions/126.html , Buffer Over-read is when a product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.\n\n  This issue affects EOL ASP.NET 6.0.0 <= 6.0.36 as represented in this CVE, as well as 8.0.0 <= 8.0.11 & <= 9.0.0 as represented in CVE-2025-21176.\n\n \n\n Additionally, if you've deployed  self-contained applications https://docs.microsoft.com/dotnet/core/deploying/#self-contained-deployments-scd  targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.\n\n NOTE: This CVE affects only End Of Life (EOL) software components. The vendor, Microsoft, has indicated there will be no future updates nor support provided upon inquiry."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-126",
                            "description": "CWE-126: Buffer Over-read",
                            "lang": "en-US",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "36c7be3b-2937-45df-85ea-ca7133ea542c",
                "shortName": "HeroDevs",
                "dateUpdated": "2025-09-08T13:57:28.386Z"
            },
            "references": [
                {
                    "name": ".NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.herodevs.com/vulnerability-directory/cve-2025-21176"
                },
                {
                    "name": ".NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21176"
                }
            ],
            "title": "EOL .NET 6.0 Runtime Remote Code Execution Vulnerability"
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-09-08T14:06:12.291326Z",
                                "id": "CVE-2025-36855",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "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": "2025-09-08T14:06:24.393Z"
                }
            }
        ]
    }
}