Vulnerability-Lookup

CNVD-2020-51809

Vulnerability from cnvd - Published: 2020-09-14

Title

Zyxel VMG5313-B30B权限提升漏洞

Description

Zyxel VMG5313-B30B是一款路由器设备。 Zyxel VMG5313-B30B权限提升漏洞，远程攻击者可利用该漏洞提交特殊的请求，可创建高权限用户，提升权限。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-24355

Impacted products

Name
ZyXEL VMG5313-B30B

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-24355",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-24355"
    }
  },
  "description": "Zyxel VMG5313-B30B\u662f\u4e00\u6b3e\u8def\u7531\u5668\u8bbe\u5907\u3002\n\nZyxel VMG5313-B30B\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u521b\u5efa\u9ad8\u6743\u9650\u7528\u6237\uff0c\u63d0\u5347\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-51809",
  "openTime": "2020-09-14",
  "products": {
    "product": "ZyXEL   VMG5313-B30B"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-24355",
  "serverity": "\u9ad8",
  "submitTime": "2020-09-14",
  "title": "Zyxel VMG5313-B30B\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2020-24355 (GCVE-0-2020-24355)

Vulnerability from cvelistv5 – Published: 2020-09-02 11:15 – Updated: 2024-08-04 15:12

Summary

Zyxel VMG5313-B30B router on firmware 5.13(ABCJ.6)b3_1127, and possibly older versions of firmware are affected by insecure permissions which allows regular and other users to create new users with elevated privileges. This is done by changing "FirstIndex" field in JSON that is POST-ed during account creation. Similar may also be possible with account deletion.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.zyxel.com/support/security_advisories.shtml	x_refsource_MISC
https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B	x_refsource_MISC
https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:12:08.714Z",
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.zyxel.com/support/security_advisories.shtml"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2"
          }
        ],
        "title": "CVE Program Container"
      }
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        }
      ],
      "problemTypes": [
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        },
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          "url": "https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B"
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            "x_refsource_MISC"
          ],
          "url": "https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2"
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          "ASSIGNER": "cve@mitre.org",
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                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                "vendor_name": "n/a"
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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.