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CVE-2021-33012

Quick assessment

Affected
n/a Rockwell Automation MicroLogix 1100
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.

Allen Bradley Micrologix 1100是荷兰Allen Bradley公司的一款用于工业环境的可编程控制器。该设备之支持以太网连接访问，监视和编程支持在线编辑、提供嵌入式Web服务器来支持通过网页控制设备，同时支持可以通过嵌入式LCD屏幕监视和修改控制器数据。 MicroLogix 1100 存在输入验证错误漏洞，该漏洞源于该产品不正确的输入验证。攻击者可利用该漏洞导致控制器在控制器故障时发生故障切换到运行模式。

AI Predicted 5.3 Difficulty: Easy EPSS 2.64% · P84

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a Rockwell Automation MicroLogix 1100 All Versions affected
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I. Basic Information for CVE-2021-33012

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Allen Bradley Micrologix 1100 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Allen Bradley Micrologix 1100是荷兰Allen Bradley公司的一款用于工业环境的可编程控制器。该设备之支持以太网连接访问，监视和编程支持在线编辑、提供嵌入式Web服务器来支持通过网页控制设备，同时支持可以通过嵌入式LCD屏幕监视和修改控制器数据。 MicroLogix 1100 存在输入验证错误漏洞，该漏洞源于该产品不正确的输入验证。攻击者可利用该漏洞导致控制器在控制器故障时发生故障切换到运行模式。
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 1100 All Versions -

II. Public POCs for CVE-2021-33012

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-33012

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Same Patch Batch · n/a · 2021-07-09 · 48 CVEs total

CVE-2021-30116 10.0 CRITICAL Unauthenticated credential leak and business logic flaw in Kaseya VSA <= v9.5.6
CVE-2021-30120 9.9 CRITICAL 2FA bypass in Kaseya VSA <= v9.5.6
CVE-2021-30118 9.8 CRITICAL Unauthenticated Remote Code Execution in Kaseya VSA < v9.5.5
CVE-2021-30117 9.8 CRITICAL Authenticated SQL injection in Kaseya VSA < v9.5.6
CVE-2021-23405 8.3 HIGH SQL Injection
CVE-2021-30201 7.5 HIGH Unauthenticated XML External Entity vulnerability in Kaseya VSA < v9.5.6
CVE-2021-30121 6.5 MEDIUM (Semi-)Authenticated local file inclusion in Kaseya VSA < v9.5.6
CVE-2021-30119 5.4 MEDIUM Authenticated Authenticated reflective XSS in Kaseya VSA <= v9.5.6
CVE-2020-25875 Codoforum 跨站脚本漏洞
CVE-2021-33795 Foxit Reader和Foxit PhantomPDF 安全漏洞
CVE-2020-25876 Codoforum 跨站脚本漏洞
CVE-2020-25394 moziloCMS 跨站脚本漏洞
CVE-2020-35987 Rukovoditel 跨站脚本漏洞
CVE-2021-35358 Dotcms dotCMS 跨站脚本漏洞
CVE-2021-35361 Dotcms dotCMS 跨站脚本漏洞
CVE-2021-35360 Dotcms dotCMS 跨站脚本漏洞
CVE-2021-36371 Emissary-Ingress 信任管理问题漏洞
CVE-2021-33214 Hms Networks eCatcher 安全漏洞
CVE-2021-33792 Foxit Reader 和 Foxit PhantomPDF 缓冲区错误漏洞
CVE-2021-27038 Autodesk Design Review 安全漏洞

Showing top 20 of 48 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-20

V. Comments for CVE-2021-33012

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