Vulnerability-Lookup

CNVD-2025-20862

Vulnerability from cnvd - Published: 2025-09-08

Title

DELL CloudLink XML外部实体引用限制不当漏洞

Description

DELL CloudLink是戴尔（Dell）推出的数据加密与密钥管理解决方案，主要面向企业级用户，支持公有云、私有云及混合云环境。 DELL CloudLink存在XML外部实体引用限制不当漏洞，攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

DELL CloudLink XML外部实体引用限制不当漏洞的补丁

Patch Description

DELL CloudLink是戴尔（Dell）推出的数据加密与密钥管理解决方案，主要面向企业级用户，支持公有云、私有云及混合云环境。 DELL CloudLink存在XML外部实体引用限制不当漏洞，攻击者可利用该漏洞导致拒绝服务。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

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://www.dell.com/support/kbdoc/en-us/000356343/dsa-2025-321-security-update-for-dell-cloudlink-vulnerability

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-26484

Impacted products

Name
DELL CloudLink >=8.0，<=8.1.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-26484",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-26484"
    }
  },
  "description": "DELL CloudLink\u662f\u6234\u5c14\uff08Dell\uff09\u63a8\u51fa\u7684\u6570\u636e\u52a0\u5bc6\u4e0e\u5bc6\u94a5\u7ba1\u7406\u89e3\u51b3\u65b9\u6848\uff0c\u4e3b\u8981\u9762\u5411\u4f01\u4e1a\u7ea7\u7528\u6237\uff0c\u652f\u6301\u516c\u6709\u4e91\u3001\u79c1\u6709\u4e91\u53ca\u6df7\u5408\u4e91\u73af\u5883\u3002\n\nDELL CloudLink\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u5f15\u7528\u9650\u5236\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.dell.com/support/kbdoc/en-us/000356343/dsa-2025-321-security-update-for-dell-cloudlink-vulnerability",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-20862",
  "openTime": "2025-09-08",
  "patchDescription": "DELL CloudLink\u662f\u6234\u5c14\uff08Dell\uff09\u63a8\u51fa\u7684\u6570\u636e\u52a0\u5bc6\u4e0e\u5bc6\u94a5\u7ba1\u7406\u89e3\u51b3\u65b9\u6848\uff0c\u4e3b\u8981\u9762\u5411\u4f01\u4e1a\u7ea7\u7528\u6237\uff0c\u652f\u6301\u516c\u6709\u4e91\u3001\u79c1\u6709\u4e91\u53ca\u6df7\u5408\u4e91\u73af\u5883\u3002\r\n\r\nDELL CloudLink\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u5f15\u7528\u9650\u5236\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "DELL CloudLink XML\u5916\u90e8\u5b9e\u4f53\u5f15\u7528\u9650\u5236\u4e0d\u5f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "DELL CloudLink \u003e=8.0\uff0c\u003c=8.1.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-26484",
  "serverity": "\u4e2d",
  "submitTime": "2025-08-20",
  "title": "DELL CloudLink XML\u5916\u90e8\u5b9e\u4f53\u5f15\u7528\u9650\u5236\u4e0d\u5f53\u6f0f\u6d1e"
}

CVE-2025-26484 (GCVE-0-2025-26484)

Vulnerability from cvelistv5 – Published: 2025-08-14 14:24 – Updated: 2025-08-14 14:48

Summary

Dell CloudLink, versions 8.0 through 8.1.1, contains an Improper Restriction of XML External Entity Reference vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-14 14:47 UTC

CWE

CWE-611 - Improper Restriction of XML External Entity Reference

Assigner

dell mitre root

References

1 reference

URL	Tags
https://www.dell.com/support/kbdoc/en-us/00035634…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Dell	CloudLink	Affected: 8.0 , ≤ 8.1.1 (semver)

Date Public

2025-08-13 17:00

Credits

Dell would like to thank n3k From TIANGONG Team of Legendsec at QI-ANXIN Group for reporting this issue

Show details on NVD website

JSON

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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.