Vulnerability-Lookup

CNVD-2021-31257

Vulnerability from cnvd - Published: 2021-04-27

Title

Cisco 809 Industrial ISRs、829 Industrial ISRs和Cisco CGR1000 IOS Software信任管理问题漏洞

Description

Cisco 1000 Series Connected Grid Routers（CGR1000）是美国思科（Cisco）公司的一款1000系列互联网格路由器。 Cisco 809 Industrial ISRs、829 Industrial ISRs和Cisco CGR1000中的IOS Software的虚拟控制台身份验证存在信任管理问题漏洞，该漏洞源于程序使用了保密性较弱的硬编码凭证，本地攻击者可通过进行身份验证并借助静态凭证通过虚拟控制台连接到VDS利用该漏洞以root用户身份访问Linux shell。

Severity

高

Patch Name

Cisco 809 Industrial ISRs、829 Industrial ISRs和Cisco CGR1000 IOS Software信任管理问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-vds-cred-uPMp9zbY

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-3234

Impacted products

Name
['Cisco cgr1000', 'Cisco 809 Industrial ISRs', 'Cisco 829 Industrial ISRs']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-3234"
    }
  },
  "description": "Cisco 1000 Series Connected Grid Routers\uff08CGR1000\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e1000\u7cfb\u5217\u4e92\u8054\u7f51\u683c\u8def\u7531\u5668\u3002\n\nCisco 809 Industrial ISRs\u3001829 Industrial ISRs\u548cCisco CGR1000\u4e2d\u7684IOS Software\u7684\u865a\u62df\u63a7\u5236\u53f0\u8eab\u4efd\u9a8c\u8bc1\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4f7f\u7528\u4e86\u4fdd\u5bc6\u6027\u8f83\u5f31\u7684\u786c\u7f16\u7801\u51ed\u8bc1\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u5e76\u501f\u52a9\u9759\u6001\u51ed\u8bc1\u901a\u8fc7\u865a\u62df\u63a7\u5236\u53f0\u8fde\u63a5\u5230VDS\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u7528\u6237\u8eab\u4efd\u8bbf\u95eeLinux shell\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-vds-cred-uPMp9zbY",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31257",
  "openTime": "2021-04-27",
  "patchDescription": "Cisco 1000 Series Connected Grid Routers\uff08CGR1000\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3e1000\u7cfb\u5217\u4e92\u8054\u7f51\u683c\u8def\u7531\u5668\u3002\r\n\r\nCisco 809 Industrial ISRs\u3001829 Industrial ISRs\u548cCisco CGR1000\u4e2d\u7684IOS Software\u7684\u865a\u62df\u63a7\u5236\u53f0\u8eab\u4efd\u9a8c\u8bc1\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4f7f\u7528\u4e86\u4fdd\u5bc6\u6027\u8f83\u5f31\u7684\u786c\u7f16\u7801\u51ed\u8bc1\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u5e76\u501f\u52a9\u9759\u6001\u51ed\u8bc1\u901a\u8fc7\u865a\u62df\u63a7\u5236\u53f0\u8fde\u63a5\u5230VDS\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u7528\u6237\u8eab\u4efd\u8bbf\u95eeLinux shell\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Cisco 809 Industrial ISRs\u3001829 Industrial ISRs\u548cCisco CGR1000 IOS Software\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco cgr1000",
      "Cisco 809 Industrial ISRs",
      "Cisco 829 Industrial ISRs"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-3234",
  "serverity": "\u9ad8",
  "submitTime": "2020-06-04",
  "title": "Cisco 809 Industrial ISRs\u3001829 Industrial ISRs\u548cCisco CGR1000 IOS Software\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-3234 (GCVE-0-2020-3234)

Vulnerability from cvelistv5 – Published: 2020-06-03 17:55 – Updated: 2024-11-15 17:11

Title

Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Static Credentials Vulnerability

Summary

A vulnerability in the virtual console authentication of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an authenticated but low-privileged, local attacker to log in to the Virtual Device Server (VDS) of an affected device by using a set of default credentials. The vulnerability is due to the presence of weak, hard-coded credentials. An attacker could exploit this vulnerability by authenticating to the targeted device and then connecting to VDS through the device’s virtual console by using the static credentials. A successful exploit could allow the attacker to access the Linux shell of VDS as the root user.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-15 16:24 UTC

CWE

CWE-798

Assigner

cisco mitre root

References

1 reference

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS 12.2(60)EZ16	Affected: n/a

Date Public

2020-06-03 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T07:30:56.479Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20200603 Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Static Credentials Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-vds-cred-uPMp9zbY"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-3234",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-15T16:24:09.217685Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-15T17:11:57.235Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco IOS 12.2(60)EZ16",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2020-06-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the virtual console authentication of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an authenticated but low-privileged, local attacker to log in to the Virtual Device Server (VDS) of an affected device by using a set of default credentials. The vulnerability is due to the presence of weak, hard-coded credentials. An attacker could exploit this vulnerability by authenticating to the targeted device and then connecting to VDS through the device\u0026rsquo;s virtual console by using the static credentials. A successful exploit could allow the attacker to access the Linux shell of VDS as the root user."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-798",
              "description": "CWE-798",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-03T17:55:49.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20200603 Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Static Credentials Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-vds-cred-uPMp9zbY"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ios-iot-vds-cred-uPMp9zbY",
        "defect": [
          [
            "CSCvo56332"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Static Credentials Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2020-06-03T16:00:00",
          "ID": "CVE-2020-3234",
          "STATE": "PUBLIC",
          "TITLE": "Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Static Credentials Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco IOS 12.2(60)EZ16",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the virtual console authentication of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an authenticated but low-privileged, local attacker to log in to the Virtual Device Server (VDS) of an affected device by using a set of default credentials. The vulnerability is due to the presence of weak, hard-coded credentials. An attacker could exploit this vulnerability by authenticating to the targeted device and then connecting to VDS through the device\u0026rsquo;s virtual console by using the static credentials. A successful exploit could allow the attacker to access the Linux shell of VDS as the root user."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "8.8",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-798"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20200603 Cisco IOS Software for Cisco Industrial Routers Virtual Device Server Static Credentials Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-vds-cred-uPMp9zbY"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-ios-iot-vds-cred-uPMp9zbY",
          "defect": [
            [
              "CSCvo56332"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2020-3234",
    "datePublished": "2020-06-03T17:55:50.054Z",
    "dateReserved": "2019-12-12T00:00:00.000Z",
    "dateUpdated": "2024-11-15T17:11:57.235Z",
    "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.