Vulnerability-Lookup

BDU:2022-00994 (CVE-2021-39976)

Vulnerability from fstec – Published: 2022-02-28 – Updated: 2022-03-04 – View on bdu.fstec.ru Fixed

Title

Уязвимость микропрограммного обеспечения коммутаторов Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800 и CloudEngine 7800, связанная с недостатками разграничения доступа, позволяющая нарушителю повысить свои привилегии

Summary

Уязвимость микропрограммного обеспечения коммутаторов Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800 и CloudEngine 7800 связана с недостатками разграничения доступа. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии

Severity

6.8 (Medium) CVSS 2.0


                      
                        AV:L/AC:L/Au:S/C:C/I:C/A:C

7.8 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Class

Architecture vulnerability

Status

Confirmed by the vendor

Exploitation

Authorization bypass

Incidents

Being clarified

Remediation

Software update

CWE

CWE-269 - Небезопасное управление привилегиями

Aliases

CVE-2021-39976, HWPSIRT-2021-78991

References

3 references

URL
https://nvd.nist.gov/vuln/detail/CVE-2021-39976
https://www.securitylab.ru/vulnerability/526223.php
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privi…

Impacted products

4 products from 2 vendors

Vendors

Huawei Technologies Co., Ltd.

Products

CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, CloudEngine 7800

Versions

от V200R005C10SPC800 до V200R005C10SPH037 (CloudEngine 12800), от V200R019C00SPC800 до V200R019C10SPH011 (CloudEngine 12800), от V200R019C10SPC800 до V200R019SPH011 (CloudEngine 12800), от V200R019C10SPC900 до V200R019SPH011 (CloudEngine 12800), от V200R005C10SPC800 до V200R005SPH037 (CloudEngine 5800), от V200R019C00SPC800 до V200R019C10SPH011 (CloudEngine 5800), от V200R019C10SPC800 до V200R019SPH011 (CloudEngine 5800), от V200R020C00SPC600 до V200R020SPH008 (CloudEngine 5800), от V200R005C10SPC800 до V200R005SPH037 (CloudEngine 6800), от V200R005C20SPC800 до V200R019C10SPH011 (CloudEngine 6800), от V200R019C10SPC900 до V200R019SPH011 (CloudEngine 6800), от V200R019C10SPC800 до V200R019SPH011 (CloudEngine 6800), от V200R020C00SPC600 до V200R020SPH008 (CloudEngine 6800), от V300R020C00SPC200 до V300R020C10SPC200 (CloudEngine 6800), от V200R005C10SPC800 до V200R005C10SPH037 (CloudEngine 7800), от V200R019C00SPC800 до V200R019SPH011 (CloudEngine 7800)

Product types

Firmware

Mitigations

Использование рекомендаций: https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/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": "Huawei Technologies Co., Ltd.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u043e\u0442 V200R005C10SPC800 \u0434\u043e V200R005C10SPH037 (CloudEngine 12800), \u043e\u0442 V200R019C00SPC800 \u0434\u043e V200R019C10SPH011 (CloudEngine 12800), \u043e\u0442 V200R019C10SPC800 \u0434\u043e V200R019SPH011 (CloudEngine 12800), \u043e\u0442 V200R019C10SPC900 \u0434\u043e V200R019SPH011 (CloudEngine 12800), \u043e\u0442 V200R005C10SPC800 \u0434\u043e V200R005SPH037 (CloudEngine 5800), \u043e\u0442 V200R019C00SPC800 \u0434\u043e V200R019C10SPH011 (CloudEngine 5800), \u043e\u0442 V200R019C10SPC800 \u0434\u043e V200R019SPH011 (CloudEngine 5800), \u043e\u0442 V200R020C00SPC600 \u0434\u043e V200R020SPH008 (CloudEngine 5800), \u043e\u0442 V200R005C10SPC800 \u0434\u043e V200R005SPH037 (CloudEngine 6800), \u043e\u0442 V200R005C20SPC800 \u0434\u043e V200R019C10SPH011 (CloudEngine 6800), \u043e\u0442 V200R019C10SPC900 \u0434\u043e V200R019SPH011 (CloudEngine 6800), \u043e\u0442 V200R019C10SPC800 \u0434\u043e V200R019SPH011 (CloudEngine 6800), \u043e\u0442 V200R020C00SPC600 \u0434\u043e V200R020SPH008 (CloudEngine 6800), \u043e\u0442 V300R020C00SPC200 \u0434\u043e V300R020C10SPC200 (CloudEngine 6800), \u043e\u0442 V200R005C10SPC800 \u0434\u043e V200R005C10SPH037 (CloudEngine 7800), \u043e\u0442 V200R019C00SPC800 \u0434\u043e V200R019SPH011 (CloudEngine 7800)",
  "\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.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "03.11.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "04.03.2022",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "28.02.2022",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2022-00994",
  "\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-2021-39976, HWPSIRT-2021-78991",
  "\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": "CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, CloudEngine 7800",
  "\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 \u043c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432 Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800 \u0438 CloudEngine 7800, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0430\u043c\u0438 \u0440\u0430\u0437\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430, \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": "\u041d\u0435\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u044f\u043c\u0438 (CWE-269)",
  "\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 \u043c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432 Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800 \u0438 CloudEngine 7800 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0430\u043c\u0438 \u0440\u0430\u0437\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430. \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": null,
  "\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://nvd.nist.gov/vuln/detail/CVE-2021-39976\nhttps://www.securitylab.ru/vulnerability/526223.php\nhttps://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en",
  "\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-269",
  "\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 6,8)\n\u0412\u044b\u0441\u043e\u043a\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 7,8)"
}

CVE-2021-39976 (GCVE-0-2021-39976)

Vulnerability from cvelistv5 – Published: 2021-11-23 14:53 – Updated: 2024-08-04 02:20

Summary

There is a privilege escalation vulnerability in CloudEngine 5800 V200R020C00SPC600. Due to lack of privilege restrictions, an authenticated local attacker can perform specific operation to exploit this vulnerability. Successful exploitation may cause the attacker to obtain a higher privilege.

Severity

No CVSS data available.

CWE

Privilege Escalation

Assigner

huawei mitre root

References

1 reference

URL	Tags
https://www.huawei.com/en/psirt/security-advisori…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	CloudEngine 5800	Affected: V200R020C00SPC600

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:20:34.332Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "CloudEngine 5800",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "V200R020C00SPC600"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "There is a privilege escalation vulnerability in CloudEngine 5800 V200R020C00SPC600. Due to lack of privilege restrictions, an authenticated local attacker can perform specific operation to exploit this vulnerability. Successful exploitation may cause the attacker to obtain a higher privilege."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Privilege Escalation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-23T14:53:41.000Z",
        "orgId": "25ac1063-e409-4190-8079-24548c77ea2e",
        "shortName": "huawei"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@huawei.com",
          "ID": "CVE-2021-39976",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CloudEngine 5800",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "V200R020C00SPC600"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "There is a privilege escalation vulnerability in CloudEngine 5800 V200R020C00SPC600. Due to lack of privilege restrictions, an authenticated local attacker can perform specific operation to exploit this vulnerability. Successful exploitation may cause the attacker to obtain a higher privilege."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Privilege Escalation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en",
              "refsource": "MISC",
              "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211103-01-privilege-en"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e",
    "assignerShortName": "huawei",
    "cveId": "CVE-2021-39976",
    "datePublished": "2021-11-23T14:53:41.000Z",
    "dateReserved": "2021-08-23T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:20:34.332Z",
    "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.

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.

Action not permitted

BDU:2022-00994 (CVE-2021-39976)

CVE-2021-39976 (GCVE-0-2021-39976)

Tags

Sightings

Nomenclature

Related by attack behaviour