Vulnerability-Lookup

CNVD-2021-36220

Vulnerability from cnvd - Published: 2021-05-21

Title

Moxa Camera VPort 06EC-2V拒绝服务漏洞（CNVD-2021-36220）

Description

Moxa Camera VPort 06EC-2V是中国台湾摩莎（MOXA）公司的一个摄像机设备。 Moxa Camera VPort 06EC-2V 存在安全漏洞。攻击者可通过虚假lldp数据包取消NULL指针的引用而导致拒绝服务。

Severity

中

Patch Name

Moxa Camera VPort 06EC-2V拒绝服务漏洞（CNVD-2021-36220）的补丁

Patch Description

Moxa Camera VPort 06EC-2V是中国台湾摩莎（MOXA）公司的一个摄像机设备。 Moxa Camera VPort 06EC-2V 存在安全漏洞。攻击者可通过虚假lldp数据包取消NULL指针的引用而导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities

Reference

https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities

Impacted products

Name
MOXA Camera VPort 06EC-2V <=1.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-25845"
    }
  },
  "description": "Moxa Camera VPort 06EC-2V\u662f\u4e2d\u56fd\u53f0\u6e7e\u6469\u838e\uff08MOXA\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u6444\u50cf\u673a\u8bbe\u5907\u3002\n\nMoxa Camera VPort 06EC-2V \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u865a\u5047lldp\u6570\u636e\u5305\u53d6\u6d88NULL\u6307\u9488\u7684\u5f15\u7528\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36220",
  "openTime": "2021-05-21",
  "patchDescription": "Moxa Camera VPort 06EC-2V\u662f\u4e2d\u56fd\u53f0\u6e7e\u6469\u838e\uff08MOXA\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u6444\u50cf\u673a\u8bbe\u5907\u3002\r\n\r\nMoxa Camera VPort 06EC-2V \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u865a\u5047lldp\u6570\u636e\u5305\u53d6\u6d88NULL\u6307\u9488\u7684\u5f15\u7528\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Moxa Camera VPort 06EC-2V\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-36220\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "MOXA Camera VPort 06EC-2V \u003c=1.1"
  },
  "referenceLink": "https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-12",
  "title": "Moxa Camera VPort 06EC-2V\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-36220\uff09"
}

CVE-2021-25845 (GCVE-0-2021-25845)

Vulnerability from cvelistv5 – Published: 2021-05-10 10:52 – Updated: 2024-08-03 20:11

Summary

Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a NULL pointer dereference via a crafted lldp packet.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

2 references

URL	Tags
https://www.moxa.com/en/	x_refsource_MISC
https://www.moxa.com/en/support/product-support/s…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:11:28.410Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.moxa.com/en/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a NULL pointer dereference via a crafted lldp packet."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-10T10:52:19.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.moxa.com/en/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-25845",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a NULL pointer dereference via a crafted lldp packet."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.moxa.com/en/",
              "refsource": "MISC",
              "url": "https://www.moxa.com/en/"
            },
            {
              "name": "https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities",
              "refsource": "MISC",
              "url": "https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-25845",
    "datePublished": "2021-05-10T10:52:19.000Z",
    "dateReserved": "2021-01-22T00:00:00.000Z",
    "dateUpdated": "2024-08-03T20:11:28.410Z",
    "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.

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CNVD-2021-36220

CVE-2021-25845 (GCVE-0-2021-25845)

Tags

Sightings

Nomenclature

Related by attack behaviour