CVE-2021-34569— WAGO I/O-Check Service prone to Out-of-bounds Write
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I. Basic Information for CVE-2021-34569
Vulnerability Information
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Vulnerability Title
WAGO I/O-Check Service prone to Out-of-bounds Write
Source: NVD (National Vulnerability Database)
Vulnerability Description
In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
WAGO 缓冲区错误漏洞
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 I/O-Check Service存在缓冲区错误漏洞，该漏洞源于攻击者可以发送包含操作系统命令的特制数据包，以使诊断工具崩溃并写入内存。
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 | 750-81xx/xxx-xxxFW | FW1 ~ FW18 Patch 2 | - | |
| WAGO | 750-82xx/xxx-xxx | FW1 ~ FW18 Patch 2 | - | |
| WAGO | 752-8303/8000-0002 | FW1 ~ FW18 Patch 2 | - | |
| WAGO | 762-4xxx | FW1 ~ FW18 Patch 2 | - | |
| WAGO | 762-5xxx | FW1 ~ FW18 Patch 2 | - | |
| WAGO | 762-6xxx | FW1 ~ FW18 Patch 2 | - |
II. Public POCs for CVE-2021-34569
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · WAGO · 2022-11-09 · 4 CVEs total
| CVE-2021-34566 | 9.1 CRITICAL | WAGO I/O-Check Service prone to Memory Overflow |
| CVE-2021-34567 | 8.2 HIGH | WAGO I/O-Check Service prone to Out-of-bounds Read |
| CVE-2021-34568 | 7.5 HIGH | WAGO I/O-Check Service prone to Allocation of Resources Without Limits or Throttling |
IV. Related Vulnerabilities
Same vendor: WAGO
V. Comments for CVE-2021-34569
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