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I. Basic Information for CVE-2023-0811
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Omron CJ1M unit v4.0 and prior has improper access controls on the memory region where the UM password is stored. If an adversary issues a PROGRAM AREA WRITE command to a specific memory region, they could overwrite the password. This may lead to disabling UM protections or setting a non-ASCII password (non-keyboard characters) and preventing an engineer from viewing or modifying the user program.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Omron PLC CJ series 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Omron PLC CJ series是日本欧姆龙（Omron）公司的一款CJ系列可编程逻辑控制器（PLC）。 Omron CJ1M PLC v4.0 及之前版本存在访问控制错误漏洞，该漏洞源于存储 UM 密码的内存区域具有不正确的访问控制。
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
VendorProductAffected VersionsCPESubscribe
Omron CJ1M SYSMAC CJ-series All versions -
OmronCJ1M SYSMAC CJ-series All versions -
OmronCJ1M SYSMAC CJ-series All versions -
OmronCJ1M SYSMAC CJ-series All versions -
Omron CJ1M SYSMAC CS-series All versions -
Omron CJ1M SYSMAC CS-series All versions -
Omron CJ1M SYSMAC CS-series All versions -
Omron CJ1M SYSMAC CS-series All versions -
OmronCJ1M SYSMAC CS-series All versions -
Omron CJ1M SYSMAC CS-series All versions -
Omron CJ1M SYSMAC CS-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
OmronCJ1M SYSMAC CP-series All versions -
II. Public POCs for CVE-2023-0811
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III. Intelligence Information for CVE-2023-0811
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IV. Related Vulnerabilities
Same weakness: CWE-284
V. Comments for CVE-2023-0811

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