Vulnerability-Lookup

CNVD-2021-59181

Vulnerability from cnvd - Published: 2021-08-08

Title

Ecobee Ecobee3 Lite硬编码默认根凭据漏洞

Description

Ecobee Ecobee3 Lite是加拿大Ecobee公司的一个Wi-Fi智能恒温器。 Ecobee Ecobee3 Lite存在安全漏洞，攻击者可利用漏洞通过串行控制台访问受密码保护的引导加载程序环境。

Severity

中

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://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices

Reference

https://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices

Impacted products

Name
Ecobee Ecobee3 Lite 4.5.81.200

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27952"
    }
  },
  "description": "Ecobee Ecobee3 Lite\u662f\u52a0\u62ff\u5927Ecobee\u516c\u53f8\u7684\u4e00\u4e2aWi-Fi\u667a\u80fd\u6052\u6e29\u5668\u3002\n\nEcobee Ecobee3 Lite\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u4e32\u884c\u63a7\u5236\u53f0\u8bbf\u95ee\u53d7\u5bc6\u7801\u4fdd\u62a4\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u73af\u5883\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://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-59181",
  "openTime": "2021-08-08",
  "products": {
    "product": "Ecobee Ecobee3 Lite 4.5.81.200"
  },
  "referenceLink": "https://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-04",
  "title": "Ecobee Ecobee3 Lite\u786c\u7f16\u7801\u9ed8\u8ba4\u6839\u51ed\u636e\u6f0f\u6d1e"
}

CVE-2021-27952 (GCVE-0-2021-27952)

Vulnerability from cvelistv5 – Published: 2021-08-03 14:31 – Updated: 2024-08-03 21:33

Summary

Hardcoded default root credentials exist on the ecobee3 lite 4.5.81.200 device. This allows a threat actor to gain access to the password-protected bootloader environment through the serial console.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://www.l9group.com/advisories/hard-coded-def…	x_refsource_MISC

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-03T21:33:17.267Z",
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              "x_transferred"
            ],
            "url": "https://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "url": "https://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-27952",
          "STATE": "PUBLIC"
        },
        "affects": {
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                  "product_data": [
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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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.