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CVE-2022-43767

Quick assessment

Affected
Siemens SIMATIC CP 1242-7 V2
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 SIMATIC CP443-1 OPC UA9是德国西门子（Siemens）公司的一款通信处理器。 Siemens SIMATIC CP443-1 OPC UA9 存在安全漏洞，该漏洞源于包含可能导致拒绝服务条件的漏洞，攻击者利用该漏洞可以导致网络服务器出现拒绝服务的情况。

CVSS 7.5 · High EPSS 0.72% · P51
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I. Basic Information for CVE-2022-43767

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 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions < V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions < V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions < V3.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions < V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions < V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions < V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions < V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
死锁
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC CP443-1 OPC UA9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC CP443-1 OPC UA9是德国西门子（Siemens）公司的一款通信处理器。 Siemens SIMATIC CP443-1 OPC UA9 存在安全漏洞，该漏洞源于包含可能导致拒绝服务条件的漏洞，攻击者利用该漏洞可以导致网络服务器出现拒绝服务的情况。
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 1242-7 V2 0 ~ V3.4.29 -
Siemens SIMATIC CP 1243-1 0 ~ V3.4.29 -
Siemens SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) 0 ~ V3.4.29 -
Siemens SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) 0 ~ V3.4.29 -
Siemens SIMATIC CP 1243-7 LTE EU 0 ~ V3.4.29 -
Siemens SIMATIC CP 1243-7 LTE US 0 ~ V3.4.29 -
Siemens SIMATIC CP 1243-8 IRC 0 ~ V3.4.29 -
Siemens SIMATIC CP 1542SP-1 0 ~ V2.3 -
Siemens SIMATIC CP 1542SP-1 IRC 0 ~ V2.3 -
Siemens SIMATIC CP 1543SP-1 0 ~ V2.3 -
Siemens SIMATIC CP 443-1 0 ~ V3.3 -
Siemens SIMATIC CP 443-1 0 ~ V3.3 -
Siemens SIMATIC CP 443-1 Advanced 0 ~ V3.3 -
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL 0 ~ V2.3 -
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC 0 ~ V2.3 -
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL 0 ~ V2.3 -
Siemens SIPLUS NET CP 1242-7 V2 0 ~ V3.4.29 -
Siemens SIPLUS NET CP 443-1 0 ~ V3.3 -
Siemens SIPLUS NET CP 443-1 Advanced 0 ~ V3.3 -
Siemens SIPLUS S7-1200 CP 1243-1 0 ~ V3.4.29 -
Siemens SIPLUS S7-1200 CP 1243-1 RAIL 0 ~ V3.4.29 -
Siemens SIPLUS TIM 1531 IRC 0 ~ V2.3.6 -
Siemens TIM 1531 IRC 0 ~ V2.3.6 -

II. Public POCs for CVE-2022-43767

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III. Intelligence Information for CVE-2022-43767

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Vendor Advisories for CVE-2022-43767 (3)

Same Patch Batch · Siemens · 2023-04-11 · 11 CVEs total

CVE-2023-28489 9.8 CRITICAL Siemens SICAM A8000 命令注入漏洞
CVE-2023-29053 7.8 HIGH Siemens JT Open Toolkit 缓冲区错误漏洞
CVE-2023-28766 7.5 HIGH Siemens SIPROTEC 5 代码问题漏洞
CVE-2022-43768 7.5 HIGH Siemens SIMATIC CP443-1 OPC UA9 安全漏洞
CVE-2022-43716 7.5 HIGH Siemens SIMATIC CP443-1 OPC UA9 资源管理错误漏洞
CVE-2023-26293 7.3 HIGH Siemens TIA Portal 输入验证错误漏洞
CVE-2023-29054 6.7 MEDIUM Siemens SCALANCE 加密问题漏洞
CVE-2023-23588 6.2 MEDIUM Siemens SIMATIC IPC DiagMonitor 信任管理问题漏洞
CVE-2023-28828 5.9 MEDIUM Siemens Polarion 代码问题漏洞
CVE-2023-27464 5.3 MEDIUM Siemens Mendix 安全漏洞

IV. Related Vulnerabilities

Same product: SIMATIC CP 1242-7 V2
Same vendor: Siemens
Same weakness: CWE-833

V. Comments for CVE-2022-43767

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