CVE-2022-34820

Description

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.

Categories

8.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC CP 1242-7 V2
Affected: Siemens SIMATIC CP 1243-1
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 IRC
Affected: Siemens SIMATIC CP 1543-1
Affected: Siemens SIMATIC CP 1543SP-1
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 1543-1
Affected: Siemens SIPLUS S7-1200 CP 1243-1
Affected: Siemens SIPLUS S7-1200 CP 1243-1 RAIL
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-34820?
CVE-2022-34820 has been scored as a high severity vulnerability.
How to fix CVE-2022-34820?
To fix CVE-2022-34820, 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-2022-34820 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-34820 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-2022-34820?
CVE-2022-34820 affects Siemens SIMATIC CP 1242-7 V2, Siemens SIMATIC CP 1243-1, 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 IRC, Siemens SIMATIC CP 1543-1, Siemens SIMATIC CP 1543SP-1, 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 1543-1, Siemens SIPLUS S7-1200 CP 1243-1, Siemens SIPLUS S7-1200 CP 1243-1 RAIL.
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