Vulnerability-Lookup

CNVD-2021-29999

Vulnerability from cnvd - Published: 2021-04-22

Title

D-Link DAP-1880AC OS命令执行漏洞

Description

D-Link DAP-1880AC是中国台湾友讯（D-Link）公司的一个无线接入点。提供构建同时的双频无线网络，可在2.4GHz和5GHz频段实现广泛的无线区域。 DAP-1880AC固件版本 1.2.1及之前存在命令注入漏洞，该漏洞源于经过身份验证的远程攻击者可以向特定CGI程序发送特制请求，可能导致任意命令注入。

Severity

中

Patch Name

D-Link DAP-1880AC OS命令执行漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html

Reference

https://exchange.xforce.ibmcloud.com/vulnerabilities/199727

Impacted products

Name
D-Link DAP-1880AC <=1.2.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20696"
    }
  },
  "description": "D-Link DAP-1880AC\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u65e0\u7ebf\u63a5\u5165\u70b9\u3002\u63d0\u4f9b\u6784\u5efa\u540c\u65f6\u7684\u53cc\u9891\u65e0\u7ebf\u7f51\u7edc\uff0c\u53ef\u57282.4GHz\u548c5GHz\u9891\u6bb5\u5b9e\u73b0\u5e7f\u6cdb\u7684\u65e0\u7ebf\u533a\u57df\u3002\n\nDAP-1880AC\u56fa\u4ef6\u7248\u672c 1.2.1\u53ca\u4e4b\u524d\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5411\u7279\u5b9aCGI\u7a0b\u5e8f\u53d1\u9001\u7279\u5236\u8bf7\u6c42\uff0c\u53ef\u80fd\u5bfc\u81f4\u4efb\u610f\u547d\u4ee4\u6ce8\u5165\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://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-29999",
  "openTime": "2021-04-22",
  "patchDescription": "D-Link DAP-1880AC\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u65e0\u7ebf\u63a5\u5165\u70b9\u3002\u63d0\u4f9b\u6784\u5efa\u540c\u65f6\u7684\u53cc\u9891\u65e0\u7ebf\u7f51\u7edc\uff0c\u53ef\u57282.4GHz\u548c5GHz\u9891\u6bb5\u5b9e\u73b0\u5e7f\u6cdb\u7684\u65e0\u7ebf\u533a\u57df\u3002\r\n\r\nDAP-1880AC\u56fa\u4ef6\u7248\u672c 1.2.1\u53ca\u4e4b\u524d\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5411\u7279\u5b9aCGI\u7a0b\u5e8f\u53d1\u9001\u7279\u5236\u8bf7\u6c42\uff0c\u53ef\u80fd\u5bfc\u81f4\u4efb\u610f\u547d\u4ee4\u6ce8\u5165\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": "D-Link DAP-1880AC OS\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "D-Link DAP-1880AC \u003c=1.2.1"
  },
  "referenceLink": "https://exchange.xforce.ibmcloud.com/vulnerabilities/199727",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-13",
  "title": "D-Link DAP-1880AC OS\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e"
}

CVE-2021-20696 (GCVE-0-2021-20696)

Vulnerability from cvelistv5 – Published: 2021-04-26 00:20 – Updated: 2024-08-03 17:45

Summary

DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.

Severity

No CVSS data available.

CWE

OS Command Injection

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.dlink-jp.com/support/release/jvnvu928…	x_refsource_MISC
https://jvn.jp/en/vu/JVNVU92898656/index.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
D-Link Japan K.K.	DAP-1880AC	Affected: firmware version 1.21 and earlier

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:45:45.503Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "DAP-1880AC",
          "vendor": "D-Link Japan K.K.",
          "versions": [
            {
              "status": "affected",
              "version": "firmware version 1.21 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "OS Command Injection",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-26T00:20:42.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20696",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "DAP-1880AC",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "firmware version 1.21 and earlier"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "D-Link Japan K.K."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "OS Command Injection"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html",
              "refsource": "MISC",
              "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"
            },
            {
              "name": "https://jvn.jp/en/vu/JVNVU92898656/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20696",
    "datePublished": "2021-04-26T00:20:42.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:45:45.503Z",
    "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.