cnvd - cnvd-2021-102883

CNVD-2021-102883

Vulnerability from cnvd - Published: 2021-12-28

Title

Enbra EWM访问控制错误漏洞

Description

Enbra Ewm是捷克Enbra公司的一个通用读数装置。使用无线电读取水表、供暖成本指标和热量表。 Enbra EWM在1.7.29在版本存在访问控制错误漏洞，该漏洞源于Enbra EWM和几个经过测试的无线M-Bus传感器中，事件回流和“无流量”不会被重新识别或误解。这可能会导致错误的值和丢失事件。目前没有详细的漏洞细节提供。

Severity

低

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.enbra.cz/

Reference

https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en

Impacted products

Name
Enbra EWM 1.7.29

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-34573",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-34573"
    }
  },
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  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.enbra.cz/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-102883",
  "openTime": "2021-12-28",
  "products": {
    "product": "Enbra EWM 1.7.29"
  },
  "referenceLink": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en",
  "serverity": "\u4f4e",
  "submitTime": "2021-09-18",
  "title": "Enbra EWM\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-34573 (GCVE-0-2021-34573)

Vulnerability from cvelistv5 – Published: 2021-09-16 12:20 – Updated: 2024-09-17 02:21

Summary

In Enbra EWM in Version 1.7.29 together with several tested wireless M-Bus Sensors the events backflow and "no flow" are not reconized or misinterpreted. This may lead to wrong values and missing events.

Severity ?

6.2 (Medium)


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

CWE

CWE-682 - Incorrect Calculation

Assigner

CERTVDE

References

URL

Tags

https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en

x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

Enbra

AT-WMBUS-16-2

Affected: all

	Enbra	ER-AM DN 15	Affected: ER-AM DN 15/SV all Affected: ER-AM DN 15/TV all
	Enbra	EWM 1.7.29	Affected: 03.11.2019

Credits

Libor POLČÁK reported to CERT@VDE

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-102883

CVE-2021-34573 (GCVE-0-2021-34573)

Tags

Sightings

Nomenclature