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CVE-2021-22659

Quick assessment

Affected
n/a Rockwell Automation MicroLogix 1400
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.

Rockwell Automation MicroLogix 1400是美国Rockwell Automation公司的一款可编程逻辑控制器。 Rockwell Automation MicroLogix 1400 存在安全漏洞，攻击者可利用该漏洞检索或修改寄存器中的随机值。

AI Predicted 7.5 Difficulty: Easy EPSS 1.72% · P75

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a Rockwell Automation MicroLogix 1400 MicroLogix 1400, All series Version 21.6 and below affected
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I. Basic Information for CVE-2021-22659

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated attacker to send a specially crafted Modbus packet allowing the attacker to retrieve or modify random values in the register. If successfully exploited, this may lead to a buffer overflow resulting in a denial-of-service condition. The FAULT LED will flash RED and communications may be lost. Recovery from denial-of-service condition requires the fault to be cleared by the user.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Rockwell Automation MicroLogix 1400 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rockwell Automation MicroLogix 1400是美国Rockwell Automation公司的一款可编程逻辑控制器。 Rockwell Automation MicroLogix 1400 存在安全漏洞，攻击者可利用该漏洞检索或修改寄存器中的随机值。
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
- Rockwell Automation MicroLogix 1400 MicroLogix 1400, All series Version 21.6 and below -

II. Public POCs for CVE-2021-22659

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III. Intelligence Information for CVE-2021-22659

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Other References for CVE-2021-22659 (1)

Same Patch Batch · n/a · 2021-03-25 · 43 CVEs total

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Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-120

V. Comments for CVE-2021-22659

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