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CVE-2021-27458

Quick assessment

Affected
n/a JTEKT Corporation TOYOPUC products
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.

JTEKT TOYOPUC-Plus是日本JTEKT公司的一个PLC。 多款TOYOPUC产品存在安全漏洞，该漏洞源于产品的以太网通信处于开放状态时，根据链路参数的设置，无法与其他设备建立以太网通信。以下产品及版本受到影响：TOYOPUC-PC10G-CPU TCC-6353、 TOYOPUC-PC10GE TCC-6464、 TOYOPUC-PC10P TCC-6372、 TOYOPUC-PC10P-DP TCC-6726、 TOYOPUC-PC10P-DP-IO TCC-6752、 TOYOPUC-P

AI Predicted 6.5 Difficulty: Easy EPSS 1.10% · P63
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I. Basic Information for CVE-2021-27458

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
If Ethernet communication of the JTEKT Corporation TOYOPUC product series’ (TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions; TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions, Plus BUS-EX TCU-6900: All versions; TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions) are left in an open state by an attacker, Ethernet communications cannot be established with other devices, depending on the settings of the link parameters.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
JTEKT TOYOPUC-Plus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JTEKT TOYOPUC-Plus是日本JTEKT公司的一个PLC。 多款TOYOPUC产品存在安全漏洞，该漏洞源于产品的以太网通信处于开放状态时，根据链路参数的设置，无法与其他设备建立以太网通信。以下产品及版本受到影响：TOYOPUC-PC10G-CPU TCC-6353、 TOYOPUC-PC10GE TCC-6464、 TOYOPUC-PC10P TCC-6372、 TOYOPUC-PC10P-DP TCC-6726、 TOYOPUC-PC10P-DP-IO TCC-6752、 TOYOPUC-P
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
- JTEKT Corporation TOYOPUC products TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/ -

II. Public POCs for CVE-2021-27458

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III. Intelligence Information for CVE-2021-27458

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Vendor Advisories for CVE-2021-27458 (1)

Same Patch Batch · n/a · 2021-04-19 · 32 CVEs total

CVE-2021-31255 GPAC 缓冲区错误漏洞
CVE-2021-29399 XMB 跨站脚本漏洞
CVE-2021-21981 VMware NSX-T 权限许可和访问控制问题漏洞
CVE-2021-27027 Autodesk FBX Review 缓冲区错误漏洞
CVE-2021-27028 Autodesk FBX Review 缓冲区错误漏洞
CVE-2021-27029 Autodesk FBX Review 代码问题漏洞
CVE-2021-27030 Autodesk FBX Review 路径遍历漏洞
CVE-2021-27031 Autodesk FBX Review 资源管理错误漏洞
CVE-2020-28141 Online Discussion Forum 跨站脚本漏洞
CVE-2021-31262 GPAC 代码问题漏洞
CVE-2021-31261 GPAC 缓冲区错误漏洞
CVE-2021-31260 GPAC 代码问题漏洞
CVE-2021-31259 GPAC 代码问题漏洞
CVE-2021-31258 GPAC 代码问题漏洞
CVE-2021-31257 GPAC 代码问题漏洞
CVE-2021-31256 GPAC 缓冲区错误漏洞
CVE-2021-20208 SUSE Linux Enterprise Server 安全漏洞
CVE-2021-31254 GPAC 缓冲区错误漏洞
CVE-2021-30199 GPAC 代码问题漏洞
CVE-2021-30022 GPAC 输入验证错误漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: JTEKT Corporation TOYOPUC products
Same vendor: n/a
Same weakness: CWE-404

V. Comments for CVE-2021-27458

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