Vulnerability-Lookup

CNVD-2021-14757

Vulnerability from cnvd - Published: 2021-03-06

Title

Dell EMC OpenManage Server Administrator身份验证绕过漏洞

Description

DELL Dell EMC OpenManage Server Administrator是美国DELL公司的一套系统管理解决方案。该方案支持在线诊断、系统运行情况检测、设备管理等。Microsoft Windows是美国Microsoft公司的一种桌面操作系统。 Dell EMC OpenManage Server Administrator 9.5版Microsoft Windows安装包含绕过身份验证漏洞。未经验证的远程攻击者可能会利用此漏洞获取受影响系统的管理员访问权限。

Severity

高

Patch Name

Dell EMC OpenManage Server Administrator身份验证绕过漏洞的补丁

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.dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21513

Impacted products

Name
DELL Dell EMC OpenManage Server Administrator 9.5

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21513",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21513"
    }
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-14757",
  "openTime": "2021-03-06",
  "patchDescription": "DELL Dell EMC OpenManage Server Administrator\u662f\u7f8e\u56fdDELL\u516c\u53f8\u7684\u4e00\u5957\u7cfb\u7edf\u7ba1\u7406\u89e3\u51b3\u65b9\u6848\u3002\u8be5\u65b9\u6848\u652f\u6301\u5728\u7ebf\u8bca\u65ad\u3001\u7cfb\u7edf\u8fd0\u884c\u60c5\u51b5\u68c0\u6d4b\u3001\u8bbe\u5907\u7ba1\u7406\u7b49\u3002Microsoft Windows\u662f\u7f8e\u56fdMicrosoft\u516c\u53f8\u7684\u4e00\u79cd\u684c\u9762\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nDell EMC OpenManage Server Administrator 9.5\u7248Microsoft Windows\u5b89\u88c5\u5305\u542b\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u672a\u7ecf\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u53d6\u53d7\u5f71\u54cd\u7cfb\u7edf\u7684\u7ba1\u7406\u5458\u8bbf\u95ee\u6743\u9650\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",
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  "products": {
    "product": "DELL Dell EMC OpenManage Server Administrator 9.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21513",
  "serverity": "\u9ad8",
  "submitTime": "2021-03-04",
  "title": "Dell EMC OpenManage Server Administrator\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2021-21513 (GCVE-0-2021-21513)

Vulnerability from cvelistv5 – Published: 2021-03-02 16:00 – Updated: 2024-09-16 20:37

Summary

Dell EMC OpenManage Server Administrator (OMSA) version 9.5 Microsoft Windows installations with Distributed Web Server (DWS) enabled configuration contains an authentication bypass vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain admin access on the affected system.

Severity

8.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

CWE

CWE-287 - Improper Authentication

Assigner

dell mitre root Scorecard

References

2 references

URL	Tags
https://www.tenable.com/security/research/tra-2021-07	x_refsource_MISC
https://www.dell.com/support/kbdoc/en-us/00018367…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	Dell Open Manage Server Administrator	Affected: unspecified , ≤ 9.5 (custom)

Date Public

2021-03-01 00:00

Show details on NVD website

JSON

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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.6,
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            "confidentialityImpact": "HIGH",
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            "privilegesRequired": "NONE",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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Action not permitted

CNVD-2021-14757

CVE-2021-21513 (GCVE-0-2021-21513)

Tags

Sightings

Nomenclature

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