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CVE-2021-43522

Quick assessment

Affected
n/a n/a
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.

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）。 InsydeH2O Hardware-2-Operating System (H2O) UEFI固件存在缓冲区错误漏洞，该漏洞允许攻击者将固定或可预测的数据写入 SMRAM。利用此问题可能会导致 SMM 的权限升级。

AI Predicted 8.8 Difficulty: Hard EPSS 0.26% · P18

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2021-43522

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
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
Insyde InsydeH2O 缓冲区错误漏洞
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）。 InsydeH2O Hardware-2-Operating System (H2O) UEFI固件存在缓冲区错误漏洞，该漏洞允许攻击者将固定或可预测的数据写入 SMRAM。利用此问题可能会导致 SMM 的权限升级。
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
- n/a n/a -

II. Public POCs for CVE-2021-43522

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III. Intelligence Information for CVE-2021-43522

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Vendor Advisories for CVE-2021-43522 (2)

Vendor Pages for CVE-2021-43522 (1)

Same Patch Batch · n/a · 2022-02-02 · 25 CVEs total

CVE-2022-21817 9.3 CRITICAL Nvidia Omniverse Launcher 代码问题漏洞
CVE-2021-43073 8.8 HIGH Fortinet FortiWeb 操作系统命令注入漏洞
CVE-2022-22509 8.8 HIGH PHOENIX CONTACT: FL SWITCH 2xxx series incorrect privilege assignment
CVE-2021-41018 8.8 HIGH Fortinet FortiWeb 操作系统命令注入漏洞
CVE-2022-0366 8.8 HIGH Capsule8 Console SQL注入漏洞
CVE-2021-42753 8.1 HIGH Fortinet FortiWeb 路径遍历漏洞
CVE-2021-41016 7.8 HIGH Fortinet FortiExtender 操作系统命令注入漏洞
CVE-2022-22510 7.5 HIGH CODESYS: Null Pointer Dereference in CODESYS PROFINET stack
CVE-2022-21724 7.0 HIGH Unchecked Class Instantiation when providing Plugin Classes
CVE-2020-26208 5.3 MEDIUM Heap-buffer-overflow in jhead
CVE-2021-36177 4.2 MEDIUM Fortinet FortiAuthenticator 安全漏洞
CVE-2021-39044 IBM Financial Transaction Manager 跨站请求伪造漏洞
CVE-2022-24301 Minetest 安全漏洞
CVE-2022-24300 Minetest 安全漏洞
CVE-2021-24043 Facebook WhatsApp 缓冲区错误漏洞
CVE-2022-24069 Insyde InsydeH2O 权限许可和访问控制问题漏洞
CVE-2021-39066 IBM Financial Transaction Manager 授权问题漏洞
CVE-2021-39070 IBM Security Verify Access 安全漏洞
CVE-2021-42633 PrinterLogic Web Stack SQL注入漏洞
CVE-2021-42637 PrinterLogic Web Stack 代码问题漏洞

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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