Calero VeraSMART < 2022 R1 Static IIS Machine Keys Enable ViewState RCE

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-26335",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-02-13T21:27:16.720Z",
    "dateReserved": "2026-02-13T17:28:43.052Z",
    "datePublished": "2026-02-13T20:51:26.374Z",
    "state": "PUBLISHED"
  },
  "containers": {
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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-02-13T20:55:26.461Z"
      },
      "title": "Calero VeraSMART < 2022 R1 Static IIS Machine Keys Enable ViewState RCE",
      "descriptions": [
        {
          "lang": "en",
          "value": "Calero VeraSMART versions prior to 2022 R1 use static ASP.NET/IIS machineKey values configured for the VeraSMART web application and stored in C:\\\\Program Files (x86)\\\\Veramark\\\\VeraSMART\\\\WebRoot\\\\web.config. An attacker who obtains these keys can craft a valid ASP.NET ViewState payload that passes integrity validation and is accepted by the application, resulting in server-side deserialization and remote code execution in the context of the IIS application.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Calero VeraSMART versions prior to&nbsp;2022 R1 use static ASP.NET/IIS machineKey values configured for the VeraSMART web application and stored in C:\\\\Program Files (x86)\\\\Veramark\\\\VeraSMART\\\\WebRoot\\\\web.config. An attacker who obtains these keys can craft a valid ASP.NET ViewState payload that passes integrity validation and is accepted by the application, resulting in server-side deserialization and remote code execution in the context of the IIS application."
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Calero",
          "product": "VeraSMART",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "2022 R1"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-321 Use of Hard-coded Cryptographic Key",
              "cweId": "CWE-321",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://www.calero.com/",
          "tags": [
            "product"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/calero-verasmart-2022-r1-static-iis-machine-keys-enable-viewstate-rce",
          "tags": [
            "third-party-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Victor A. Morales, Senior Pentester Team Leader, GM SecTec Inc.",
          "type": "finder"
        },
        {
          "lang": "en",
          "value": "Jan A. Rodriguez, Pentester Jr., GM SecTec Inc.",
          "type": "finder"
        }
      ]
    },
    "adp": [
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        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2026-02-13T21:27:16.720Z"
        },
        "title": "CISA ADP Vulnrichment",
        "metrics": [
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  }
}