CVE-2022-43768

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.24%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC CP 1242-7 V2
Affected: Siemens SIMATIC CP 1243-1
Affected: Siemens SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants)
Affected: Siemens SIMATIC CP 1243-1 IEC (incl. SIPLUS variants)
Affected: Siemens SIMATIC CP 1243-7 LTE EU
Affected: Siemens SIMATIC CP 1243-7 LTE US
Affected: Siemens SIMATIC CP 1243-8 IRC
Affected: Siemens SIMATIC CP 1542SP-1
Affected: Siemens SIMATIC CP 1542SP-1 IRC
Affected: Siemens SIMATIC CP 1543SP-1
Affected: Siemens SIMATIC CP 443-1
Affected: Siemens SIMATIC CP 443-1
Affected: Siemens SIMATIC CP 443-1 Advanced
Affected: Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL
Affected: Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC
Affected: Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL
Affected: Siemens SIPLUS NET CP 1242-7 V2
Affected: Siemens SIPLUS NET CP 443-1
Affected: Siemens SIPLUS NET CP 443-1 Advanced
Affected: Siemens SIPLUS S7-1200 CP 1243-1
Affected: Siemens SIPLUS S7-1200 CP 1243-1 RAIL
Affected: Siemens SIPLUS TIM 1531 IRC
Affected: Siemens TIM 1531 IRC
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf vendor advisory
https://cert-portal.siemens.com/productcert/html/ssa-139628.html
https://cert-portal.siemens.com/productcert/html/ssa-566905.html

Frequently Asked Questions

What is the severity of CVE-2022-43768?
CVE-2022-43768 has been scored as a high severity vulnerability.
How to fix CVE-2022-43768?
To fix CVE-2022-43768, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-43768 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-43768 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-43768?
CVE-2022-43768 affects Siemens SIMATIC CP 1242-7 V2, Siemens SIMATIC CP 1243-1, Siemens SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants), Siemens SIMATIC CP 1243-1 IEC (incl. SIPLUS variants), Siemens SIMATIC CP 1243-7 LTE EU, Siemens SIMATIC CP 1243-7 LTE US, Siemens SIMATIC CP 1243-8 IRC, Siemens SIMATIC CP 1542SP-1, Siemens SIMATIC CP 1542SP-1 IRC, Siemens SIMATIC CP 1543SP-1, Siemens SIMATIC CP 443-1, Siemens SIMATIC CP 443-1, Siemens SIMATIC CP 443-1 Advanced, Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL, Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC, Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL, Siemens SIPLUS NET CP 1242-7 V2, Siemens SIPLUS NET CP 443-1, Siemens SIPLUS NET CP 443-1 Advanced, Siemens SIPLUS S7-1200 CP 1243-1, Siemens SIPLUS S7-1200 CP 1243-1 RAIL, Siemens SIPLUS TIM 1531 IRC, Siemens TIM 1531 IRC.
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