CVE-2022-34819 — CRITICAL (10.0)

Q: How severe is CVE-2022-34819?

CVE-2022-34819 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2022-34819?

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 lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.

CVSS Score

10.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

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

Related Weaknesses (CWE)

CWE-122 CWE-787

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-2022-34819?

CVE-2022-34819 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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-2022-34819?

CVE-2022-34819 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-34819?

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.