Vulnerability-Lookup

CNVD-2021-78763

Vulnerability from cnvd - Published: 2021-10-20

Title

Cybozu Remote Service XML外部实体注入漏洞

Description

Cybozu Remote Service是日本才望子（Cybozu）公司的一套用于访问才望子（Cybozu）内部系统的远程服务管理软件。 Cybozu Remote Service存在XML外部实体注入漏洞。攻击者可利用该漏洞获取存储在产品中的信息。

Severity

中

Patch Name

Cybozu Remote Service XML外部实体注入漏洞的补丁

Patch Description

Cybozu Remote Service是日本才望子（Cybozu）公司的一套用于访问才望子（Cybozu）内部系统的远程服务管理软件。 Cybozu Remote Service存在XML外部实体注入漏洞。攻击者可利用该漏洞获取存储在产品中的信息。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

厂商已发布了漏洞修复程序，请及时关注更新： https://kb.cybozu.support/article/37423/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20801

Impacted products

Name
Cybozu Cybozu Remote Service >=3.1.8，<=3.1.9

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20801",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20801"
    }
  },
  "description": "Cybozu Remote Service\u662f\u65e5\u672c\u624d\u671b\u5b50\uff08Cybozu\uff09\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u8bbf\u95ee\u624d\u671b\u5b50\uff08Cybozu\uff09\u5185\u90e8\u7cfb\u7edf\u7684\u8fdc\u7a0b\u670d\u52a1\u7ba1\u7406\u8f6f\u4ef6\u3002\n\nCybozu Remote Service\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5b58\u50a8\u5728\u4ea7\u54c1\u4e2d\u7684\u4fe1\u606f\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://kb.cybozu.support/article/37423/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-78763",
  "openTime": "2021-10-20",
  "patchDescription": "Cybozu Remote Service\u662f\u65e5\u672c\u624d\u671b\u5b50\uff08Cybozu\uff09\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u8bbf\u95ee\u624d\u671b\u5b50\uff08Cybozu\uff09\u5185\u90e8\u7cfb\u7edf\u7684\u8fdc\u7a0b\u670d\u52a1\u7ba1\u7406\u8f6f\u4ef6\u3002\r\n\r\nCybozu Remote Service\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5b58\u50a8\u5728\u4ea7\u54c1\u4e2d\u7684\u4fe1\u606f\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": "Cybozu Remote Service XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cybozu Cybozu Remote Service \u003e=3.1.8\uff0c\u003c=3.1.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20801",
  "serverity": "\u4e2d",
  "submitTime": "2021-10-14",
  "title": "Cybozu Remote Service XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-20801 (GCVE-0-2021-20801)

Vulnerability from cvelistv5 – Published: 2021-10-13 08:30 – Updated: 2024-08-03 17:53

Summary

Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.

Severity

No CVSS data available.

CWE

XML external entities (XXE)

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://jvn.jp/en/jp/JVN52694228/index.html	x_refsource_MISC
https://kb.cybozu.support/article/37423	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Cybozu, Inc.	Cybozu Remote Service	Affected: 3.1.8 to 3.1.9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:53:22.673Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN52694228/index.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kb.cybozu.support/article/37423"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cybozu Remote Service",
          "vendor": "Cybozu, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "3.1.8 to 3.1.9"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "XML external entities (XXE)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-13T08:30:56.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN52694228/index.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://kb.cybozu.support/article/37423"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20801",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cybozu Remote Service",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "3.1.8 to 3.1.9"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cybozu, Inc."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "XML external entities (XXE)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jvn.jp/en/jp/JVN52694228/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/jp/JVN52694228/index.html"
            },
            {
              "name": "https://kb.cybozu.support/article/37423",
              "refsource": "MISC",
              "url": "https://kb.cybozu.support/article/37423"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20801",
    "datePublished": "2021-10-13T08:30:57.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:53:22.673Z",
    "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-2021-78763

CVE-2021-20801 (GCVE-0-2021-20801)

Tags

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Nomenclature

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