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CVE-2021-40507

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.

OR1200是OpenRISC开源的一个 OpenRISC 1200 的实现。 OR1200 存在安全漏洞，该漏洞源于ALU 单元的减法指令溢出标志未正确更新，导致溢出标志中的值不正确。

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.73% · P51

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-40507

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the ALU unit of the OR1200 (aka OpenRISC 1200) processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated correctly for the subtract instruction, which results in an incorrect value in the overflow flag. Any software that relies on this flag may experience corruption in execution.
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
OR1200 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OR1200是OpenRISC开源的一个 OpenRISC 1200 的实现。 OR1200 存在安全漏洞，该漏洞源于ALU 单元的减法指令溢出标志未正确更新，导致溢出标志中的值不正确。
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-2021-40507

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-40507

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Patches & Fixes for CVE-2021-40507 (1)

Other References for CVE-2021-40507 (1)

Same Patch Batch · n/a · 2023-04-18 · 14 CVEs total

CVE-2023-27043 Python 输入验证错误漏洞
CVE-2021-28254 Laravel 代码问题漏洞
CVE-2023-29887 spreadsheet-reader 路径遍历漏洞
CVE-2023-29855 WBCE CMS 命令注入漏洞
CVE-2023-29854 DirCMS 跨站脚本漏洞
CVE-2023-29774 Dreamer CMS 跨站脚本漏洞
CVE-2023-28863 AMI MegaRAC 数据伪造问题漏洞
CVE-2022-46640 Nanoleaf Desktop App 命令注入漏洞
CVE-2023-27092 JbootFly 跨站脚本漏洞
CVE-2021-41614 OpenRISC mor1kx 安全漏洞
CVE-2021-41613 OpenRISC mor1kx 安全漏洞
CVE-2021-41612 OpenRISC mor1kx 安全漏洞
CVE-2021-40506 OR1200 授权问题漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-40507

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