Vulnerability-Lookup

BDU:2020-05500

Vulnerability from fstec - Published: 10.11.2020

Title

Уязвимость встроенного программного обеспечения Intel NUC Kit, связанная с неправильной обработкой разрешений, позволяющая нарушителю повысить свои привилегии

Description

Уязвимость встроенного программного обеспечения Intel NUC Kit связана с неправильной обработкой разрешений. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии

Severity


                    
                      AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Vendor

Intel Corp.

Software Name

Intel NUC Board DE3815TYBE, Intel NUC 8 Rugged Kit NUC8CCHKR, Intel NUC Board NUC8CCHB, Intel NUC 8 Pro Mini PC NUC8i3PNK, Intel NUC 8 Pro Kit NUC8i3PNK, Intel NUC 8 Pro Kit NUC8i3PNH, Intel NUC 8 Pro Board NUC8i3PNB, Intel NUC 9 Pro Kit - NUC9V7QNX, Intel NUC 9 Pro Kit - NUC9VXQNX, Intel NUC 8 Mainstream-G kit NUC8i5INH, Intel NUC 8 Mainstream-G kit NUC8i7INH, Intel NUC 8 Mainstream-G mini PC NUC8i5INH, Intel NUC 8 Mainstream-G mini PC NUC8i7INH, Intel NUC Kit DE3815TYKHE

Software Version

до TYBYT20H.86A (Intel NUC Board DE3815TYBE), до TYBYT10H.86A (Intel NUC Board DE3815TYBE), до CHAPLCEL.0049 (Intel NUC 8 Rugged Kit NUC8CCHKR), до CHAPLCEL.0049 (Intel NUC Board NUC8CCHB), до PNWHL357.0037 (Intel NUC 8 Pro Mini PC NUC8i3PNK), до PNWHL357.0037 (Intel NUC 8 Pro Kit NUC8i3PNK), до PNWHL357.0037 (Intel NUC 8 Pro Kit NUC8i3PNH), до PNWHL357.0037 (Intel NUC 8 Pro Board NUC8i3PNB), до QNCFLX70.34 (Intel NUC 9 Pro Kit - NUC9V7QNX), до QNCFLX70.34 (Intel NUC 9 Pro Kit - NUC9VXQNX), до INWHL357.0036 (Intel NUC 8 Mainstream-G kit NUC8i5INH), до INWHL357.0036 (Intel NUC 8 Mainstream-G kit NUC8i7INH), до INWHL357.0036 (Intel NUC 8 Mainstream-G mini PC NUC8i5INH), до INWHL357.0036 (Intel NUC 8 Mainstream-G mini PC NUC8i7INH), до TYBYT20H.86A (Intel NUC Kit DE3815TYKHE), до BYT10H.86A (Intel NUC Kit DE3815TYKHE)

Possible Mitigations

Использование рекомендаций: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414.html

Reference

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414.html https://vuldb.com/?id.164896

CWE

CWE-275, CWE-281

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:H/Au:S/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Intel Corp.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e TYBYT20H.86A (Intel NUC Board DE3815TYBE), \u0434\u043e TYBYT10H.86A (Intel NUC Board DE3815TYBE), \u0434\u043e CHAPLCEL.0049 (Intel NUC 8 Rugged Kit NUC8CCHKR), \u0434\u043e CHAPLCEL.0049 (Intel NUC Board NUC8CCHB), \u0434\u043e PNWHL357.0037 (Intel NUC 8 Pro Mini PC NUC8i3PNK), \u0434\u043e PNWHL357.0037 (Intel NUC 8 Pro Kit NUC8i3PNK), \u0434\u043e PNWHL357.0037 (Intel NUC 8 Pro Kit NUC8i3PNH), \u0434\u043e PNWHL357.0037 (Intel NUC 8 Pro Board NUC8i3PNB), \u0434\u043e QNCFLX70.34 (Intel NUC 9 Pro Kit - NUC9V7QNX), \u0434\u043e QNCFLX70.34 (Intel NUC 9 Pro Kit - NUC9VXQNX), \u0434\u043e INWHL357.0036 (Intel NUC 8 Mainstream-G kit NUC8i5INH), \u0434\u043e INWHL357.0036 (Intel NUC 8 Mainstream-G kit NUC8i7INH), \u0434\u043e INWHL357.0036 (Intel NUC 8 Mainstream-G mini PC NUC8i5INH), \u0434\u043e INWHL357.0036 (Intel NUC 8 Mainstream-G mini PC NUC8i7INH), \u0434\u043e TYBYT20H.86A (Intel NUC Kit DE3815TYKHE), \u0434\u043e BYT10H.86A (Intel NUC Kit DE3815TYKHE)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414.html",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "10.11.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "01.12.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "01.12.2020",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2020-05500",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2020-24525",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Intel NUC Board DE3815TYBE, Intel NUC 8 Rugged Kit NUC8CCHKR, Intel NUC Board NUC8CCHB, Intel NUC 8 Pro Mini PC NUC8i3PNK, Intel NUC 8 Pro Kit NUC8i3PNK, Intel NUC 8 Pro Kit NUC8i3PNH, Intel NUC 8 Pro Board NUC8i3PNB, Intel NUC 9 Pro Kit - NUC9V7QNX, Intel NUC 9 Pro Kit - NUC9VXQNX, Intel NUC 8 Mainstream-G kit NUC8i5INH, Intel NUC 8 Mainstream-G kit NUC8i7INH, Intel NUC 8 Mainstream-G mini PC NUC8i5INH, Intel NUC 8 Mainstream-G mini PC NUC8i7INH, Intel NUC Kit DE3815TYKHE",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Intel NUC Kit, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439 (CWE-275), \u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439 (CWE-281)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Intel NUC Kit \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0439. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": "\u0432 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u043a\u0430\u0437\u0430\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 BIOS",
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414.html\nhttps://vuldb.com/?id.164896",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-275, CWE-281",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6)\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6,7)"
}

CVE-2020-24525 (GCVE-0-2020-24525)

Vulnerability from cvelistv5 – Published: 2020-11-12 18:16 – Updated: 2024-08-04 15:12

Summary

Insecure inherited permissions in firmware update tool for some Intel(R) NUCs may allow an authenticated user to potentially enable escalation of privilege via local access.

Severity

No CVSS data available.

CWE

escalation of privilege

Assigner

intel mitre root

References

2 references

URL	Tags
https://www.intel.com/content/www/us/en/security-…	x_refsource_MISC
http://seclists.org/fulldisclosure/2020/Nov/26	mailing-listx_refsource_FULLDISC

Impacted products

1 product

Vendor	Product	Version
n/a	Intel(R) NUCs	Affected: See references

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:12:09.087Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414"
          },
          {
            "name": "20201116 Intel NUC - Local Privilege Escalation Vulnerability",
            "tags": [
              "mailing-list",
              "x_refsource_FULLDISC",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2020/Nov/26"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Intel(R) NUCs",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "See references"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Insecure inherited permissions in firmware update tool for some Intel(R) NUCs may allow an authenticated user to potentially enable escalation of privilege via local access."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "escalation of privilege",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-11-16T11:06:07.000Z",
        "orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
        "shortName": "intel"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414"
        },
        {
          "name": "20201116 Intel NUC - Local Privilege Escalation Vulnerability",
          "tags": [
            "mailing-list",
            "x_refsource_FULLDISC"
          ],
          "url": "http://seclists.org/fulldisclosure/2020/Nov/26"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@intel.com",
          "ID": "CVE-2020-24525",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Intel(R) NUCs",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "See references"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Insecure inherited permissions in firmware update tool for some Intel(R) NUCs may allow an authenticated user to potentially enable escalation of privilege via local access."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "escalation of privilege"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414",
              "refsource": "MISC",
              "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414"
            },
            {
              "name": "20201116 Intel NUC - Local Privilege Escalation Vulnerability",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2020/Nov/26"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
    "assignerShortName": "intel",
    "cveId": "CVE-2020-24525",
    "datePublished": "2020-11-12T18:16:05.000Z",
    "dateReserved": "2020-08-19T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:12:09.087Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.