CVE-2022-34820
highpriority · track · 38EPSS 0.022 · 83 %ileDEEUUSEPSS · scored 2026-10-27
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application does not correctly escape some user provided fields during the authentication process. This could allow an attacker to inject custom commands and execute arbitrary code with elevated privileges.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-1 (6GK7243-1BX30-0XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)siemens_psirt
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIMATIC CP 1543-1 (6GK7543-1AX00-0XE0)siemens_psirt
Update to V3.0.22 or later version
https://support.industry.siemens.com/cs/ww/en/view/109808678/ - FixedSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)siemens_psirt
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)siemens_psirt
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)siemens_psirt
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)siemens_psirt
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0)siemens_psirt
Update to V3.0.22 or later version
https://support.industry.siemens.com/cs/ww/en/view/109808678/ - FixedSIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0)siemens_psirt
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-1 (6GK7243-1BX30-0XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)cisa_csaf_ot
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIMATIC CP 1543-1 (6GK7543-1AX00-0XE0)cisa_csaf_ot
Update to V3.0.22 or later version
https://support.industry.siemens.com/cs/ww/en/view/109808678/ - FixedSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)cisa_csaf_ot
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)cisa_csaf_ot
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)cisa_csaf_ot
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)cisa_csaf_ot
Update to V2.2.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109817067/ - FixedSIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0)cisa_csaf_ot
Update to V3.0.22 or later version
https://support.industry.siemens.com/cs/ww/en/view/109808678/ - FixedSIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - FixedSIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0)cisa_csaf_ot
Update to V3.3.46 or later version
https://support.industry.siemens.com/cs/ww/en/view/109812218 - MitigationSIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-1 (6GK7243-1BX30-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1543-1 (6GK7543-1AX00-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0)siemens_psirt
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-1 (6GK7243-1BX30-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1543-1 (6GK7543-1AX00-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- MitigationSIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0)cisa_csaf_ot
Make sure to configure the CP to only connect to trusted SINEMA Remote Connect Server instances
- WorkaroundSIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-1 (6GK7243-1BX30-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1543-1 (6GK7543-1AX00-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0)siemens_psirt
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-1 (6GK7243-1BX30-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1543-1 (6GK7543-1AX00-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
- WorkaroundSIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0)cisa_csaf_ot
Block access to port 5243/udp e.g. with an external firewall if possible
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.9–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (75)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- SSA-517377SSA-517377: Multiple Vulnerabilities in the SRCS VPN Feature in SIMATIC CP Devices2022-07-12csaf · siemens_psirtDE
The below referenced devices contain multiple vulnerabilities that could be exploited when the SINEMA Remote Connect Server (SRCS) VPN feature is used. The feature is not activated by default. The most severe could allow an attacker to execute arbitrary code with elevated privileges under certain circumstances. Siemens has released updates for the affected products and recommends to update to the latest versions.
- ICSA-22-195-12Siemens SRCS VPN Feature in SIMATIC CP Devices2022-07-12icsa · cisa_csaf_otUS
The below referenced devices contain multiple vulnerabilities that could be exploited when the SINEMA Remote Connect Server (SRCS) VPN feature is used. The feature is not activated by default. The most severe could allow an attacker to execute arbitrary code with elevated privileges under certain circumstances. Siemens has released updates for the affected products and recommends to update to the latest versions.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdfcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-34820/cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-22-195-12cnnvd
- https://vigilance.fr/vulnerability/Siemens-SIMATIC-CP-three-vulnerabilities-via-SRCS-VPN-38784cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022071333cnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdfenisa_euvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdfPatchVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan