Vulnerability-Lookup

CNVD-2021-28735

Vulnerability from cnvd - Published: 2021-04-16

Title

moodle访问控制错误漏洞（CNVD-2021-28735）

Description

Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 moodle存在安全漏洞，该漏洞源于未经允许的情况下通过moodle中的在线用户块查看其他用户的全名。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

moodle访问控制错误漏洞（CNVD-2021-28735）的补丁

Patch Description

Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 moodle存在安全漏洞，该漏洞源于未经允许的情况下通过moodle中的在线用户块查看其他用户的全名。目前没有详细的漏洞细节提供。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://moodle.org/mod/forum/discuss.php?d=419652

Reference

https://www.auscert.org.au/bulletins/ESB-2021.0909

Impacted products

Name
['Moodle Moodle >=3.5.0，<3.5.17', 'Moodle Moodle >=3.8.0，<3.8.8', 'Moodle Moodle >=3.9.0，<3.9.5', 'Moodle Moodle >=3.10.0，<3.10.2']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20281",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20281"
    }
  },
  "description": "Moodle\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7535\u5b50\u5b66\u4e60\u8f6f\u4ef6\u5e73\u53f0\uff0c\u4e5f\u79f0\u8bfe\u7a0b\u7ba1\u7406\u7cfb\u7edf\u3001\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u6216\u865a\u62df\u5b66\u4e60\u73af\u5883\u3002 \n\nmoodle\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u7ecf\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\u901a\u8fc7moodle\u4e2d\u7684\u5728\u7ebf\u7528\u6237\u5757\u67e5\u770b\u5176\u4ed6\u7528\u6237\u7684\u5168\u540d\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://moodle.org/mod/forum/discuss.php?d=419652",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-28735",
  "openTime": "2021-04-16",
  "patchDescription": "Moodle\u662f\u4e00\u5957\u514d\u8d39\u3001\u5f00\u6e90\u7684\u7535\u5b50\u5b66\u4e60\u8f6f\u4ef6\u5e73\u53f0\uff0c\u4e5f\u79f0\u8bfe\u7a0b\u7ba1\u7406\u7cfb\u7edf\u3001\u5b66\u4e60\u7ba1\u7406\u7cfb\u7edf\u6216\u865a\u62df\u5b66\u4e60\u73af\u5883\u3002 \r\n\r\nmoodle\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u7ecf\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\u901a\u8fc7moodle\u4e2d\u7684\u5728\u7ebf\u7528\u6237\u5757\u67e5\u770b\u5176\u4ed6\u7528\u6237\u7684\u5168\u540d\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "moodle\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-28735\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Moodle Moodle \u003e=3.5.0\uff0c\u003c3.5.17",
      "Moodle Moodle \u003e=3.8.0\uff0c\u003c3.8.8",
      "Moodle Moodle \u003e=3.9.0\uff0c\u003c3.9.5",
      "Moodle Moodle \u003e=3.10.0\uff0c\u003c3.10.2"
    ]
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.0909",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-17",
  "title": "moodle\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-28735\uff09"
}

CVE-2021-20281 (GCVE-0-2021-20281)

Vulnerability from cvelistv5 – Published: 2021-03-15 21:35 – Updated: 2024-08-03 17:37

Summary

It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Severity

No CVSS data available.

CWE

CWE-200

Assigner

redhat CNA under the redhat root

CNA scorecard B 81/100 over 995 records in the last 180 days details

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1939041	x_refsource_MISC
https://moodle.org/mod/forum/discuss.php?d=419652	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Impacted products

1 product

Vendor	Product	Version
n/a	moodle	Affected: Fixed in 3.10.2, 3.9.5, 3.8.8, 3.5.17

Show details on NVD website

JSON

To clipboard

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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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