CVE-2022-34820 — HIGH (8.4)

Q: How severe is CVE-2022-34820?

CVE-2022-34820 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2022-34820?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Cp 1242-7 V2 Firmware, Siemens Simatic Cp 1242-7 V2, Siemens Simatic Cp 1243-1 Firmware, Siemens Simatic Cp 1243-1, Siemens Simatic Cp 1243-7 Lte Eu Firmware.

Vulnerability 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.

CVSS Score

8.4

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Siemens	Simatic Cp 1242-7 V2 Firmware	< 3.3.46
Siemens	Simatic Cp 1242-7 V2	-
Siemens	Simatic Cp 1243-1 Firmware	< 3.3.46
Siemens	Simatic Cp 1243-1	-
Siemens	Simatic Cp 1243-7 Lte Eu Firmware	< 3.3.46
Siemens	Simatic Cp 1243-7 Lte Eu	-
Siemens	Simatic Cp 1243-7 Lte Us Firmware	< 3.3.46
Siemens	Simatic Cp 1243-7 Lte Us	-
Siemens	Simatic Cp 1243-8 Irc Firmware	< 3.3.46
Siemens	Simatic Cp 1243-8 Irc	-
Siemens	Simatic Cp 1542Sp-1 Irc Firmware	>= 2.0, < 2.2.28
Siemens	Simatic Cp 1542Sp-1 Irc	-
Siemens	Simatic Cp 1543-1 Firmware	< 3.0.22
Siemens	Simatic Cp 1543-1	-
Siemens	Simatic Cp 1543Sp-1 Firmware	>= 2.0, < 2.2.28
Siemens	Simatic Cp 1543Sp-1	-
Siemens	Siplus Et 200Sp Cp 1542Sp-1 Irc Tx Rail Firmware	>= 2.0, < 2.2.28
Siemens	Siplus Et 200Sp Cp 1542Sp-1 Irc Tx Rail	-
Siemens	Siplus Et 200Sp Cp 1543Sp-1 Isec Firmware	>= 2.0, < 2.2.28
Siemens	Siplus Et 200Sp Cp 1543Sp-1 Isec	-

Related Weaknesses (CWE)

CWE-116 CWE-77

References

https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdfPatchVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdfPatchVendor Advisory

FAQ

What is CVE-2022-34820?

CVE-2022-34820 is a vulnerability with a CVSS score of 8.4 (HIGH). 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 L...

How severe is CVE-2022-34820?

CVE-2022-34820 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-34820?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Cp 1242-7 V2 Firmware, Siemens Simatic Cp 1242-7 V2, Siemens Simatic Cp 1243-1 Firmware, Siemens Simatic Cp 1243-1, Siemens Simatic Cp 1243-7 Lte Eu Firmware.