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CVE-2022-34756

Quick assessment

Affected
Schneider Electric Easergy P5
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.

Schneider Electric Easergy P5是法国施耐德电气（Schneider Electric）公司的一款适用于要求苛刻的中压应用的保护继电器。 Schneider Electric Easergy P5 V01.401.102 及之前版本存在安全漏洞，该漏洞源于不检查输入大小的缓冲区复制漏洞，攻击者利用该漏洞可以远程代码执行或用于设备 Web HMI 的 HTTPs 堆栈崩溃。

CVSS 8.8 · High EPSS 1.61% · P75

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-34756

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could result in remote code execution or the crash of HTTPs stack which is used for the device Web HMI. Affected Products: Easergy P5 (V01.401.102 and prior)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Easergy P5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Easergy P5是法国施耐德电气（Schneider Electric）公司的一款适用于要求苛刻的中压应用的保护继电器。 Schneider Electric Easergy P5 V01.401.102 及之前版本存在安全漏洞，该漏洞源于不检查输入大小的缓冲区复制漏洞，攻击者利用该漏洞可以远程代码执行或用于设备 Web HMI 的 HTTPs 堆栈崩溃。
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
Schneider Electric Easergy P5 Firmware ~ V01.401.102 -

II. Public POCs for CVE-2022-34756

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III. Intelligence Information for CVE-2022-34756

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Other References for CVE-2022-34756 (1)

Same Patch Batch · Schneider Electric · 2022-07-13 · 12 CVEs total

CVE-2022-34753 8.8 HIGH Schneider Electric SpaceLogic C-Bus Home Controller 操作系统命令注入漏洞
CVE-2022-34759 7.5 HIGH 多款Schneider Electric产品缓冲区错误漏洞
CVE-2022-34760 7.5 HIGH 多款Schneider Electric产品安全漏洞
CVE-2022-34761 7.5 HIGH 多款Schneider Electric产品代码问题漏洞
CVE-2022-34754 6.8 MEDIUM Schneider Electric Acti9 PowerTag Link C 安全漏洞
CVE-2022-34757 6.7 MEDIUM Schneider Electric Easergy P5 加密问题漏洞
CVE-2022-34762 5.9 MEDIUM 多款Schneider Electric产品路径遍历漏洞
CVE-2022-34763 5.9 MEDIUM 多款Schneider Electric产品数据伪造问题漏洞
CVE-2022-34764 5.9 MEDIUM 多款Schneider Electric产品缓冲区错误漏洞
CVE-2022-34765 5.5 MEDIUM 多款Schneider Electric产品安全漏洞
CVE-2022-34758 5.1 MEDIUM Schneider Electric Easergy P5 和 P3 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Easergy P5
Same vendor: Schneider Electric
Same weakness: CWE-120

V. Comments for CVE-2022-34756

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