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CVE-2021-33626

EPSS 0.08% · P23
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I. Basic Information for CVE-2021-33626

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Insyde InsydeH2O 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Insyde InsydeH2O是中国台湾系微（Insyde）公司的一个 C 语言源，它实现了新技术“EFI/UEFI”规范，旨在取代传统的 BIOS（基本输入/输出系统）。 Insyde InsydeH2O 5.x 存在安全漏洞，该漏洞源于SMM驱动程序没有正确验证CommBuffer和CommBufferSize参数，允许攻击者损坏固件或操作系统内存。
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

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II. Public POCs for CVE-2021-33626

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III. Intelligence Information for CVE-2021-33626

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Same Patch Batch · n/a · 2021-10-01 · 53 CVEs total

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CVE-2021-35297Scalabium dBase Viewer 安全漏洞
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CVE-2021-41649PuneethReddyHc Online Shopping System Advanced SQL注入漏洞
CVE-2021-41456Gpac MP4Box 缓冲区错误漏洞
CVE-2021-40927Spotify-for-Alfred 跨站脚本漏洞
CVE-2021-40926GetId3 跨站脚本漏洞
CVE-2021-40924bugs 跨站脚本漏洞
CVE-2021-40928FlexTV beta 跨站脚本漏洞
CVE-2021-40970spotweb 跨站脚本漏洞
CVE-2021-40969spotweb 跨站脚本漏洞
CVE-2021-40972spotweb 跨站脚本漏洞
CVE-2021-40971spotweb 跨站脚本漏洞
CVE-2021-40975Ecommerce-CodeIgniter-Bootstrap 跨站脚本漏洞
CVE-2021-40973spotweb 跨站脚本漏洞
CVE-2021-41461Portlandlabs Concrete5 跨站脚本漏洞
CVE-2021-41463Portlandlabs Concrete5 跨站脚本漏洞

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

V. Comments for CVE-2021-33626

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