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CVE-2022-27640

Quick assessment

Affected
Siemens SIMATIC CP 442-1 RNA
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.

Siemens SICAM是德国西门子（Siemens）公司的一个综合变电站自动化系统。 Siemens SIMATIC CP 442-1和CP 443-1存在资源管理错误漏洞。攻击者通过ARP可以触发拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-27640

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions < V1.5.18), SIMATIC CP 443-1 RNA (All versions < V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SICAM是德国西门子（Siemens）公司的一个综合变电站自动化系统。 Siemens SIMATIC CP 442-1和CP 443-1存在资源管理错误漏洞。攻击者通过ARP可以触发拒绝服务。
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
Siemens SIMATIC CP 442-1 RNA All versions < V1.5.18 -
Siemens SIMATIC CP 443-1 RNA All versions < V1.5.18 -

II. Public POCs for CVE-2022-27640

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III. Intelligence Information for CVE-2022-27640

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Vendor Advisories for CVE-2022-27640 (1)

Same Patch Batch · Siemens · 2022-05-10 · 31 CVEs total

CVE-2022-29873 9.8 CRITICAL Siemens SICAM 安全漏洞
CVE-2022-29872 8.8 HIGH Siemens SICAM 输入验证错误漏洞
CVE-2022-29874 8.8 HIGH Siemens SICAM 安全漏洞
CVE-2022-24287 7.8 HIGH Siemens SIMATIC 安全漏洞
CVE-2022-29878 7.5 HIGH Siemens SICAM 安全漏洞
CVE-2022-29882 7.1 HIGH Siemens SICAM 跨站脚本漏洞
CVE-2022-29876 7.1 HIGH Siemens SICAM 跨站脚本漏洞
CVE-2022-29880 6.5 MEDIUM Siemens SICAM 跨站脚本漏洞
CVE-2022-29883 5.3 MEDIUM Siemens SICAM 访问控制错误漏洞
CVE-2022-29881 5.3 MEDIUM Siemens SICAM 访问控制错误漏洞
CVE-2022-29879 4.3 MEDIUM Siemens SICAM 访问控制错误漏洞
CVE-2022-24039 Siemens Desigo PXC4 安全漏洞
CVE-2022-24040 多款Siemens产品资源管理错误漏洞
CVE-2022-24041 多款Siemens产品安全漏洞
CVE-2022-24042 多款Siemens产品代码问题漏洞
CVE-2022-24043 多款Siemens产品安全漏洞
CVE-2022-24044 多款Siemens产品安全漏洞
CVE-2022-24045 多款Siemens产品安全漏洞
CVE-2021-41545 多款Siemens产品安全漏洞
CVE-2022-24290 Siemens Teamcenter 缓冲区错误漏洞

Showing top 20 of 31 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-400

V. Comments for CVE-2022-27640

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