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CVE-2021-0421

Quick assessment

Affected
n/a MT6580, MT6582E, MT6582H, MT6582T, MT6582W, MT6582_90, MT6589, MT6589TD, MT6592E, MT6592H, MT6592T, MT6592W, MT6592_90, MT6595, MT6731, MT6732, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6758, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6785, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893
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.

Mediatek 芯片是中国联发科（Mediatek）的智能手机芯片组。 Mediatek 芯片 存在安全漏洞，该漏洞源于在内存管理驱动程序中，可能由于边界检查丢失而导致信息泄露。这可能导致本地信息公开，而不需要额外的执行特权，开发不需要用户交互。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.11% · P1
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I. Basic Information for CVE-2021-0421

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In memory management driver, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05403499; Issue ID: ALPS05381235.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mediatek 芯片 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mediatek 芯片是中国联发科（Mediatek）的智能手机芯片组。 Mediatek 芯片 存在安全漏洞，该漏洞源于在内存管理驱动程序中，可能由于边界检查丢失而导致信息泄露。这可能导致本地信息公开，而不需要额外的执行特权，开发不需要用户交互。
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
- MT6580, MT6582E, MT6582H, MT6582T, MT6582W, MT6582_90, MT6589, MT6589TD, MT6592E, MT6592H, MT6592T, MT6592W, MT6592_90, MT6595, MT6731, MT6732, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, Android 10.0, 11.0 -

II. Public POCs for CVE-2021-0421

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-0421

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Other References for CVE-2021-0421 (1)

Same Patch Batch · n/a · 2021-09-27 · 56 CVEs total

CVE-2021-36134 7.4 HIGH Out of bounds write in Netop Vision Pro
CVE-2021-23445 3.1 LOW Cross-site Scripting (XSS)
CVE-2021-0425 Mediatek 芯片 安全漏洞
CVE-2021-41329 Datalust Seq 安全漏洞
CVE-2021-31605 Openvpn OpenVPN 命令注入漏洞
CVE-2021-40349 e7d Speed Test 路径遍历漏洞
CVE-2021-40981 Asus Rog Armory Crate 代码问题漏洞
CVE-2021-40103 PortlandLabs Concrete Cms 路径遍历漏洞
CVE-2021-0422 Mediatek 芯片 缓冲区错误漏洞
CVE-2021-0423 Mediatek 芯片 安全漏洞
CVE-2021-0424 Mediatek 芯片 缓冲区错误漏洞
CVE-2021-40097 PortlandLabs Concrete Cms 路径遍历漏洞
CVE-2021-0610 Mediatek 芯片 输入验证错误漏洞
CVE-2021-0611 Mediatek 芯片 资源管理错误漏洞
CVE-2021-0612 Mediatek 芯片 资源管理错误漏洞
CVE-2021-0660 Mediatek 芯片 缓冲区错误漏洞
CVE-2021-40104 PortlandLabs Concrete CMS 安全漏洞
CVE-2021-40105 PortlandLabs Concrete Cms 跨站脚本漏洞
CVE-2021-40106 PortlandLabs Concrete Cms 跨站脚本漏洞
CVE-2021-40108 PortlandLabs Concrete Cms 跨站请求伪造漏洞

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: MT6580, MT6582E, MT6582H, MT6582T, MT6582W, MT6582_90, MT6589, MT6589TD, MT6592E, MT6592H, MT6592T, MT6592W, MT6592_90, MT6595, MT6731, MT6732, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6758, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6785, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893
Same vendor: n/a

V. Comments for CVE-2021-0421

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