Vulnerability-Lookup

CNVD-2021-85271

Vulnerability from cnvd - Published: 2021-11-09

Title

Xiuno BBS访问控制错误漏洞

Description

Xiuno BBS是一款基于PHP和MySQL的开源论坛程序。 Xiuno BBS存在访问控制错误漏洞，该漏洞源于产品routeuser.php允许对用户名进行检索。目前没有详细的漏洞细节提供。

Severity

中

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://github.com/rayfalling/xiuno-docker

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-21493

Impacted products

Name
Xiuno Xiuno BBS 4.0.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-21493"
    }
  },
  "description": "Xiuno BBS\u662f\u4e00\u6b3e\u57fa\u4e8ePHP\u548cMySQL\u7684\u5f00\u6e90\u8bba\u575b\u7a0b\u5e8f\u3002\n\nXiuno BBS\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1routeuser.php\u5141\u8bb8\u5bf9\u7528\u6237\u540d\u8fdb\u884c\u68c0\u7d22\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://github.com/rayfalling/xiuno-docker",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-85271",
  "openTime": "2021-11-09",
  "products": {
    "product": "Xiuno Xiuno BBS 4.0.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-21493",
  "serverity": "\u4e2d",
  "submitTime": "2021-10-09",
  "title": "Xiuno BBS\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-21493 (GCVE-0-2020-21493)

Vulnerability from cvelistv5 – Published: 2021-10-04 21:00 – Updated: 2024-08-04 14:30

Summary

An issue in the component route\user.php of Xiuno BBS v4.0.4 allows attackers to enumerate usernames.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/wanghaiwei/xiuno-docker/issues/3	x_refsource_MISC
https://gitee.com/xiuno/xiunobbs/issues/I1690W	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          }
        ],
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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.