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CVE-2021-26278— Sensitive information leakage vulnerability in wifi module

Quick assessment

Affected
vivo Wifi
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.

vivo Wifi Module是中国vivo公司的一个无线模块。 vivo Wifi Module存在安全漏洞，该漏洞源于wifi模块暴露接口，权限管控不当，泄露设备敏感信息。

CVSS 6.3 · Medium EPSS 0.21% · P10
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I. Basic Information for CVE-2021-26278

Vulnerability Information
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Vulnerability Title
Sensitive information leakage vulnerability in wifi module
Source: CVE Program / CVE List V5
Vulnerability Description
The wifi module exposes the interface and has improper permission control, leaking sensitive information about the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
vivo Wifi Module 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vivo Wifi Module是中国vivo公司的一个无线模块。 vivo Wifi Module存在安全漏洞，该漏洞源于wifi模块暴露接口，权限管控不当，泄露设备敏感信息。
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
vivo Wifi Versions earlier than Android 10 -

II. Public POCs for CVE-2021-26278

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III. Intelligence Information for CVE-2021-26278

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Vendor Advisories for CVE-2021-26278 (1)

Same Patch Batch · vivo · 2024-12-17 · 6 CVEs total

CVE-2021-26280 7.9 HIGH Permission bypass vulnerability in permission manager module
CVE-2020-12487 7.0 HIGH Command Execution Vulnerability in ABE service
CVE-2020-12484 6.4 MEDIUM vivo Wifi Module 安全漏洞
CVE-2021-26279 5.9 MEDIUM Information disclosure vulnerability in Weather module
CVE-2021-26281 5.5 MEDIUM Information disclosure vulnerability in Alarm clock module

IV. Related Vulnerabilities

Same product: Wifi
Same vendor: vivo
Same weakness: CWE-306

V. Comments for CVE-2021-26278

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