CVE-2020-12527— Improper Access Validation in products of MB connect line and Helmholz
Quick assessment
Affected
MB connect line mymbCONNECT24
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MB CONNECT LINE mymbCONNECT24是德国MB CONNECT LINE公司的一款适用于虚拟环境的内部远程维护解决方案。 MB CONNECT LINE mymbCONNECT24 V2.6.2 版本及之前版本存在安全漏洞，该漏洞源于不正确的使用访问验证允许登录的用户与他不应该访问的帐户中的设备交互。
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I. Basic Information for CVE-2020-12527
Vulnerability Information
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Vulnerability Title
Improper Access Validation in products of MB connect line and Helmholz
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2. Improper access validation allows a logged in user to shutdown or reboot devices in his account without having corresponding permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MB CONNECT LINE mymbCONNECT24 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MB CONNECT LINE mymbCONNECT24是德国MB CONNECT LINE公司的一款适用于虚拟环境的内部远程维护解决方案。 MB CONNECT LINE mymbCONNECT24 V2.6.2 版本及之前版本存在安全漏洞，该漏洞源于不正确的使用访问验证允许登录的用户与他不应该访问的帐户中的设备交互。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MB connect line | mymbCONNECT24 | 2.6.2 ~ 2.11.2 | - |
|
| MB connect line | mbCONNECT24 | 2.6.2 ~ 2.11.2 | - |
|
| Helmholz | myREX24 | 2 ~ 2.11.2 | - |
|
| Helmholz | myREX24.virtual | 2.11.2 | - |
|
II. Public POCs for CVE-2020-12527
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2020-12527 (2)
-
https://cert.vde.com/en/advisories/VDE-2022-039 x_refsource_CONFIRM
-
https://cert.vde.com/en/advisories/VDE-2021-003 x_refsource_CONFIRM
Same Patch Batch · MB connect line · 2021-03-02 · 4 CVEs total
| CVE-2020-12528 | 6.5 MEDIUM | mymbCONNECT24 安全漏洞 |
| CVE-2020-12529 | 5.8 MEDIUM | MB CONNECT LINE mymbCONNECT24e 代码问题漏洞 |
| CVE-2020-12530 | 4.3 MEDIUM | MB CONNECT LINE mymbCONNECT24 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same product: mymbCONNECT24
-
CVE-2022-22520
User enumeration vulnerability in MB connect line and Helmho -
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Remote user enumeration in mymbCONNECT24, mbCONNECT24 <= 2.9 -
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Information Exposure in mymbCONNECT24, mbCONNECT24 <= 2.8.0 -
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Password policy evasion in products of MB connect line and H -
CVE-2020-12528
mymbCONNECT24 安全漏洞
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V. Comments for CVE-2020-12527
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