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CVE-2023-1620— WAGO: DoS in multiple products in multiple versions using Codesys

Quick assessment

Affected
Wago 750-8202/xxx-xxx
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.

WAGO是德国万可（WAGO）公司的一款750-88x系列可编程逻辑控制器。该设备专门为在工业环境下应用而设计的数字运算操作电子系统。 WAGO PFC200 Family存在输入验证错误漏洞，该漏洞源于经过身份验证的攻击者可以通过 CODESYS V2 解析格式错误的数据包来触发设备崩溃。

CVSS 4.9 · Medium EPSS 0.85% · P55

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-1620

Vulnerability Information
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Vulnerability Title
WAGO: DoS in multiple products in multiple versions using Codesys
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1288
Source: CVE Program / CVE List V5
Vulnerability Title
WAGO 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO是德国万可（WAGO）公司的一款750-88x系列可编程逻辑控制器。该设备专门为在工业环境下应用而设计的数字运算操作电子系统。 WAGO PFC200 Family存在输入验证错误漏洞，该漏洞源于经过身份验证的攻击者可以通过 CODESYS V2 解析格式错误的数据包来触发设备崩溃。
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
Wago 750-8202/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8203/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8204/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8206/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8207/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8208/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8210/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8211/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8212/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8213/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8214/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8216/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-8217/xxx-xxx FW1 ~ FW22 SP1 -
Wago 750-823 FW1 ~ FW10 -
Wago 750-332 FW1 ~ FW6 -
Wago 750-832/xxx-xxx FW1 ~ FW6 -
Wago 750-862 FW1 ~ FW10 -
Wago 750-890/xxx-xxx FW1 ~ FW10 -
Wago 750-891 FW1 ~ FW10 -
Wago 750-893 FW1 ~ FW10 -
Wago 750-331 FW1 ~ FW14 -
Wago 750-829 FW1 ~ FW14 -
Wago 750-831/xxx-xxx FW1 ~ FW14 -
Wago 750-852 FW1 ~ FW16 -
Wago 750-880/xxx-xxx FW1 ~ FW16 -
Wago 750-881 FW1 ~ FW16 -
Wago 750-882 FW1 ~ FW16 -
Wago 750-885/xxx-xxx FW1 ~ FW16 -
Wago 750-889 FW1 ~ FW16 -

II. Public POCs for CVE-2023-1620

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-1620

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Other References for CVE-2023-1620 (1)

Same Patch Batch · Wago · 2023-06-26 · 3 CVEs total

CVE-2023-1150 7.5 HIGH WAGO: Series 750-3x/-8x prone to MODBUS server DoS
CVE-2023-1619 4.9 MEDIUM WAGO: DoS in multiple versions of multiple products

IV. Related Vulnerabilities

Same product: 750-8202/xxx-xxx
Same vendor: Wago
Same weakness: CWE-1288

V. Comments for CVE-2023-1620

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