What is the CVSS score of CVE-2022-34820?

CVE-2022-34820 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 2.0%.

Is there a patch available for CVE-2022-34820?

Yes, a patch is available for CVE-2022-34820. Update the affected software to the latest version immediately.

Simatic Cp 1242 7 V2 Firmware CVE-2022-34820

HIGH

Command Injection (CWE-77)

2022-07-12 productcert@siemens.com

RCE Command Injection Simatic Cp 1242 7 V2 Firmware Simatic Cp 1243 1 Firmware Simatic Cp 1243 7 Lte Eu Firmware Simatic Cp 1243 7 Lte Us Firmware Simatic Cp 1243 8 Irc Firmware Simatic Cp 1542Sp 1 Irc Firmware Simatic Cp 1543 1 Firmware Simatic Cp 1543Sp 1 Firmware Siplus Et 200Sp Cp 1542Sp 1 Irc Tx Rail Firmware Siplus Et 200Sp Cp 1543Sp 1 Isec Firmware Siplus Et 200Sp Cp 1543Sp 1 Isec Tx Rail Firmware Siplus Net Cp 1242 7 V2 Firmware Siplus Net Cp 1543 1 Firmware Siplus S7 1200 Cp 1243 1 Firmware Siplus S7 1200 Cp 1243 1 Rail Firmware

8.4

CVSS 3.1 · Vendor: siemens

Severity by source

Vendor (siemens) PRIMARY

8.4 HIGH

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

Primary rating from Vendor (siemens) · only source for this CVE.

CVSS VectorVendor: siemens

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 12, 2022 - 10:15 cve.org

HIGH 8.4

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. This Command Injection vulnerability could allow attackers to inject arbitrary commands into system command execution.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. 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. Affected products include: Siemens Simatic Cp 1242-7 V2 Firmware, Siemens Simatic Cp 1243-1 Firmware, Siemens Simatic Cp 1243-7 Lte Eu Firmware, Siemens Simatic Cp 1243-7 Lte Us Firmware, Siemens Simatic Cp 1243-8 Irc Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.