CVE-2022-43716

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

NVD
MITRE

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions), SIMATIC CP 1243-1 (All versions), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-7 LTE EU (All versions), SIMATIC CP 1243-7 LTE US (All versions), SIMATIC CP 1243-8 IRC (All versions), SIMATIC CP 1542SP-1 (All versions), SIMATIC CP 1542SP-1 IRC (All versions), SIMATIC CP 1543SP-1 (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions), SIPLUS NET CP 1242-7 V2 (All versions), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3), SIPLUS S7-1200 CP 1243-1 (All versions), SIPLUS S7-1200 CP 1243-1 RAIL (All versions), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (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 which leads to a restart of the webserver of the affected product.

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 which leads to a restart of the webserver of the affected product.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2022-10-24 CVE Reserved
2023-04-11 CVE Published
2024-09-10 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (3)

URL	Tag	Source
https://cert-portal.siemens.com/productcert/html/ssa-139628.html
https://cert-portal.siemens.com/productcert/html/ssa-566905.html

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf	2023-05-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"	Simatic Cp 1242-7 V2 Firmware Search vendor "Siemens" for product "Simatic Cp 1242-7 V2 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1242-7 V2 Search vendor "Siemens" for product "Simatic Cp 1242-7 V2"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1243-1 Firmware Search vendor "Siemens" for product "Simatic Cp 1243-1 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1243-1 Search vendor "Siemens" for product "Simatic Cp 1243-1"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1243-1 Dnp3 Firmware Search vendor "Siemens" for product "Simatic Cp 1243-1 Dnp3 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1243-1 Dnp3 Search vendor "Siemens" for product "Simatic Cp 1243-1 Dnp3"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1243-1 Iec Firmware Search vendor "Siemens" for product "Simatic Cp 1243-1 Iec Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1243-1 Iec Search vendor "Siemens" for product "Simatic Cp 1243-1 Iec"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1243-7 Lte Eu Firmware Search vendor "Siemens" for product "Simatic Cp 1243-7 Lte Eu Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1243-7 Lte Eu Search vendor "Siemens" for product "Simatic Cp 1243-7 Lte Eu"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1243-7 Lte Us Firmware Search vendor "Siemens" for product "Simatic Cp 1243-7 Lte Us Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1243-7 Lte Us Search vendor "Siemens" for product "Simatic Cp 1243-7 Lte Us"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1243-8 Irc Firmware Search vendor "Siemens" for product "Simatic Cp 1243-8 Irc Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1243-8 Irc Search vendor "Siemens" for product "Simatic Cp 1243-8 Irc"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1542sp-1 Firmware Search vendor "Siemens" for product "Simatic Cp 1542sp-1 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1542sp-1 Search vendor "Siemens" for product "Simatic Cp 1542sp-1"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1542sp-1 Irc Firmware Search vendor "Siemens" for product "Simatic Cp 1542sp-1 Irc Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1542sp-1 Irc Search vendor "Siemens" for product "Simatic Cp 1542sp-1 Irc"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 1543sp-1 Firmware Search vendor "Siemens" for product "Simatic Cp 1543sp-1 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 1543sp-1 Search vendor "Siemens" for product "Simatic Cp 1543sp-1"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 443-1 Firmware Search vendor "Siemens" for product "Simatic Cp 443-1 Firmware"	< 3.3 Search vendor "Siemens" for product "Simatic Cp 443-1 Firmware" and version " < 3.3"	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 443-1 Search vendor "Siemens" for product "Simatic Cp 443-1"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Cp 443-1 Advanced Firmware Search vendor "Siemens" for product "Simatic Cp 443-1 Advanced Firmware"	< 3.3 Search vendor "Siemens" for product "Simatic Cp 443-1 Advanced Firmware" and version " < 3.3"	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Cp 443-1 Advanced Search vendor "Siemens" for product "Simatic Cp 443-1 Advanced"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Ipc Diagbase Firmware Search vendor "Siemens" for product "Simatic Ipc Diagbase Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Ipc Diagbase Search vendor "Siemens" for product "Simatic Ipc Diagbase"	-	-	Safe
Siemens Search vendor "Siemens"	Simatic Ipc Diagmonitor Firmware Search vendor "Siemens" for product "Simatic Ipc Diagmonitor Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Ipc Diagmonitor Search vendor "Siemens" for product "Simatic Ipc Diagmonitor"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail Firmware Search vendor "Siemens" for product "Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail Search vendor "Siemens" for product "Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Et 200sp Cp 1543sp-1 Isec Firmware Search vendor "Siemens" for product "Siplus Et 200sp Cp 1543sp-1 Isec Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Et 200sp Cp 1543sp-1 Isec Search vendor "Siemens" for product "Siplus Et 200sp Cp 1543sp-1 Isec"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail Firmware Search vendor "Siemens" for product "Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail Search vendor "Siemens" for product "Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Net Cp 1242-7 V2 Firmware Search vendor "Siemens" for product "Siplus Net Cp 1242-7 V2 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Net Cp 1242-7 V2 Search vendor "Siemens" for product "Siplus Net Cp 1242-7 V2"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Net Cp 443-1 Firmware Search vendor "Siemens" for product "Siplus Net Cp 443-1 Firmware"	< 3.3 Search vendor "Siemens" for product "Siplus Net Cp 443-1 Firmware" and version " < 3.3"	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Net Cp 443-1 Search vendor "Siemens" for product "Siplus Net Cp 443-1"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Net Cp 443-1 Advanced Firmware Search vendor "Siemens" for product "Siplus Net Cp 443-1 Advanced Firmware"	< 3.3 Search vendor "Siemens" for product "Siplus Net Cp 443-1 Advanced Firmware" and version " < 3.3"	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Net Cp 443-1 Advanced Search vendor "Siemens" for product "Siplus Net Cp 443-1 Advanced"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus S7-1200 Cp 1243-1 Firmware Search vendor "Siemens" for product "Siplus S7-1200 Cp 1243-1 Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Siplus S7-1200 Cp 1243-1 Search vendor "Siemens" for product "Siplus S7-1200 Cp 1243-1"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus S7-1200 Cp 1243-1 Rail Firmware Search vendor "Siemens" for product "Siplus S7-1200 Cp 1243-1 Rail Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Siplus S7-1200 Cp 1243-1 Rail Search vendor "Siemens" for product "Siplus S7-1200 Cp 1243-1 Rail"	-	-	Safe
Siemens Search vendor "Siemens"	Siplus Tim 1531 Irc Firmware Search vendor "Siemens" for product "Siplus Tim 1531 Irc Firmware"	< 2.3.6 Search vendor "Siemens" for product "Siplus Tim 1531 Irc Firmware" and version " < 2.3.6"	-	Affected	in	Siemens Search vendor "Siemens"	Siplus Tim 1531 Irc Search vendor "Siemens" for product "Siplus Tim 1531 Irc"	-	-	Safe
Siemens Search vendor "Siemens"	Tim 1531 Irc Firmware Search vendor "Siemens" for product "Tim 1531 Irc Firmware"	< 2.3.6 Search vendor "Siemens" for product "Tim 1531 Irc Firmware" and version " < 2.3.6"	-	Affected	in	Siemens Search vendor "Siemens"	Tim 1531 Irc Search vendor "Siemens" for product "Tim 1531 Irc"	-	-	Safe