CVE-2022-43767

Summary

CVE	CVE-2022-43767
State	PUBLISHED
Assigner	siemens
Source Priority	CVE Program / NVD first with legacy fallback
Published	2023-04-11 10:15:17 UTC
Updated	2026-10-23 23:10:00 UTC
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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.007230000 probability, percentile 0.535160000 (date 2026-10-23)

Problem Types: CWE-833 | NVD-CWE-noinfo | CWE-833 CWE-833: Deadlock

Version	Source	Type	Score	Severity	Vector
3.1	[email protected]	Secondary	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
3.1	CNA	DECLARED	7.5	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C`

CVSS v3.1 Breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Siemens	Simatic Cp 1242-7 V2	-	All	All	All
Operating System	Siemens	Simatic Cp 1242-7 V2 Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1243-1	-	All	All	All
Hardware	Siemens	Simatic Cp 1243-1 Dnp3	-	All	All	All
Operating System	Siemens	Simatic Cp 1243-1 Dnp3 Firmware	All	All	All	All
Operating System	Siemens	Simatic Cp 1243-1 Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1243-1 Iec	-	All	All	All
Operating System	Siemens	Simatic Cp 1243-1 Iec Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1243-7 Lte Eu	-	All	All	All
Operating System	Siemens	Simatic Cp 1243-7 Lte Eu Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1243-7 Lte Us	-	All	All	All
Operating System	Siemens	Simatic Cp 1243-7 Lte Us Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1243-8 Irc	-	All	All	All
Operating System	Siemens	Simatic Cp 1243-8 Irc Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1542sp-1	-	All	All	All
Operating System	Siemens	Simatic Cp 1542sp-1 Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1542sp-1 Irc	-	All	All	All
Operating System	Siemens	Simatic Cp 1542sp-1 Irc Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 1543sp-1	-	All	All	All
Operating System	Siemens	Simatic Cp 1543sp-1 Firmware	All	All	All	All
Hardware	Siemens	Simatic Cp 443-1	-	All	All	All
Hardware	Siemens	Simatic Cp 443-1 Advanced	-	All	All	All
Operating System	Siemens	Simatic Cp 443-1 Advanced Firmware	All	All	All	All
Operating System	Siemens	Simatic Cp 443-1 Firmware	All	All	All	All
Hardware	Siemens	Simatic Ipc Diagbase	-	All	All	All
Operating System	Siemens	Simatic Ipc Diagbase Firmware	All	All	All	All
Hardware	Siemens	Simatic Ipc Diagmonitor	-	All	All	All
Operating System	Siemens	Simatic Ipc Diagmonitor Firmware	All	All	All	All
Hardware	Siemens	Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail	-	All	All	All
Operating System	Siemens	Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail Firmware	All	All	All	All
Hardware	Siemens	Siplus Et 200sp Cp 1543sp-1 Isec	-	All	All	All
Operating System	Siemens	Siplus Et 200sp Cp 1543sp-1 Isec Firmware	All	All	All	All
Hardware	Siemens	Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail	-	All	All	All
Operating System	Siemens	Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail Firmware	All	All	All	All
Hardware	Siemens	Siplus Net Cp 1242-7 V2	-	All	All	All
Operating System	Siemens	Siplus Net Cp 1242-7 V2 Firmware	All	All	All	All
Hardware	Siemens	Siplus Net Cp 443-1	-	All	All	All
Hardware	Siemens	Siplus Net Cp 443-1 Advanced	-	All	All	All
Operating System	Siemens	Siplus Net Cp 443-1 Advanced Firmware	All	All	All	All
Operating System	Siemens	Siplus Net Cp 443-1 Firmware	All	All	All	All
Hardware	Siemens	Siplus S7-1200 Cp 1243-1	-	All	All	All
Operating System	Siemens	Siplus S7-1200 Cp 1243-1 Firmware	All	All	All	All
Hardware	Siemens	Siplus S7-1200 Cp 1243-1 Rail	-	All	All	All
Operating System	Siemens	Siplus S7-1200 Cp 1243-1 Rail Firmware	All	All	All	All
Hardware	Siemens	Siplus Tim 1531 Irc	-	All	All	All
Operating System	Siemens	Siplus Tim 1531 Irc Firmware	All	All	All	All
Hardware	Siemens	Tim 1531 Irc	-	All	All	All
Operating System	Siemens	Tim 1531 Irc Firmware	All	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Siemens	SIMATIC CP 1242-7 V2	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1243-1	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1243-1 DNP3 Incl. SIPLUS Variants	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1243-1 IEC Incl. SIPLUS Variants	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1243-7 LTE EU	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1243-7 LTE US	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1243-8 IRC	affected V3.4.29 custom	Not specified
CNA	Siemens	SIMATIC CP 1542SP-1	affected V2.3 custom	Not specified
CNA	Siemens	SIMATIC CP 1542SP-1 IRC	affected V2.3 custom	Not specified
CNA	Siemens	SIMATIC CP 1543SP-1	affected V2.3 custom	Not specified
CNA	Siemens	SIMATIC CP 443-1	affected V3.3 custom	Not specified
CNA	Siemens	SIMATIC CP 443-1	affected V3.3 custom	Not specified
CNA	Siemens	SIMATIC CP 443-1 Advanced	affected V3.3 custom	Not specified
CNA	Siemens	SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL	affected V2.3 custom	Not specified
CNA	Siemens	SIPLUS ET 200SP CP 1543SP-1 ISEC	affected V2.3 custom	Not specified
CNA	Siemens	SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL	affected V2.3 custom	Not specified
CNA	Siemens	SIPLUS NET CP 1242-7 V2	affected V3.4.29 custom	Not specified
CNA	Siemens	SIPLUS NET CP 443-1	affected V3.3 custom	Not specified
CNA	Siemens	SIPLUS NET CP 443-1 Advanced	affected V3.3 custom	Not specified
CNA	Siemens	SIPLUS S7-1200 CP 1243-1	affected V3.4.29 custom	Not specified
CNA	Siemens	SIPLUS S7-1200 CP 1243-1 RAIL	affected V3.4.29 custom	Not specified
CNA	Siemens	SIPLUS TIM 1531 IRC	affected V2.3.6 custom	Not specified
CNA	Siemens	TIM 1531 IRC	affected V2.3.6 custom	Not specified
ADP	Siemens	Simatic Cp 1542sp-1	affected 2.3 custom	Not specified
ADP	Siemens	Simatic Cp 1542sp-1 Irc	affected 2.3 custom	Not specified
ADP	Siemens	Simatic Cp 1543sp-1	affected 2.3 custom	Not specified
ADP	Siemens	Simatic Cp 443-1	affected 3.3 custom	Not specified
ADP	Siemens	Simatic Cp 443-1 Advanced	affected 3.3 custom	Not specified
ADP	Siemens	Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail	affected 2.3 custom	Not specified
ADP	Siemens	Siplus Et 200sp Cp 1543sp-1 Isec	affected 2.3 custom	Not specified
ADP	Siemens	Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail	affected 2.3 custom	Not specified
ADP	Siemens	Siplus Net Cp 1242-7 V2	affected * custom	Not specified
ADP	Siemens	Siplus Net Cp 443-1	affected 3.3 custom	Not specified
ADP	Siemens	Siplus Net Cp 443-1 Advanced	affected 3.3 custom	Not specified
ADP	Siemens	Siplus S7-1200 Cp 1243-1	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1242-7 V2	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1243-1	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1243-1 Dnp3	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1243-1 Iec	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1243-7 Lte Eu	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1243-7 Lte Us	affected * custom	Not specified
ADP	Siemens	Simatic Cp 1243-8 Irc	affected * custom	Not specified
ADP	Siemens	Siplus S7-1200 Cp 1243-1 Rail	affected * custom	Not specified
ADP	Siemens	Siplus Tim 1531 Irc	affected 2.3.6 custom	Not specified
ADP	Siemens	Tim 1531 Irc	affected 2.3.6 custom	Not specified

References

Reference	Source	Link	Tags
cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf	af854a3a-2127-422b-91ae-364da2661108	cert-portal.siemens.com	Vendor Advisory
cert-portal.siemens.com/productcert/html/ssa-566905.html	af854a3a-2127-422b-91ae-364da2661108	cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-139628.html	af854a3a-2127-422b-91ae-364da2661108	cert-portal.siemens.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.