CPC80 Central Processing CVE-2024-31484

Q: What is the CVSS score of CVE-2024-31484?

CVE-2024-31484 has a CVSS 4.0 base score of 7.3 (High). CVSS vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.5%.

HIGH

Improper Null Termination (CWE-170)

2024-05-14 productcert@siemens.com

Denial Of Service

7.3

CVSS 4.0 · Vendor: siemens

Severity by source

Vendor (siemens) PRIMARY

7.3 HIGH

CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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

CVSS VectorVendor: siemens

CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

CVE Published

May 14, 2024 - 16:16 cve.org

HIGH 7.3

DescriptionCVE.org

A vulnerability has been identified in CPC80 Central Processing/Communication (All versions < V16.41), CPCI85 Central Processing/Communication (All versions < V5.30), CPCX26 Central Processing/Communication (All versions < V06.02), ETA4 Ethernet Interface IEC60870-5-104 (All versions < V10.46), ETA5 Ethernet Int. 1x100TX IEC61850 Ed.2 (All versions < V03.27), PCCX26 Ax 1703 PE, Contr, Communication Element (All versions < V06.05). The affected devices contain an improper null termination vulnerability while parsing a specific HTTP header. This could allow an attacker to execute code in the context of the current process or lead to denial of service condition.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-170. A vulnerability has been identified in CPC80 Central Processing/Communication (All versions < V16.41), CPCI85 Central Processing/Communication (All versions < V5.30), CPCX26 Central Processing/Communication (All versions < V06.02), ETA4 Ethernet Interface IEC60870-5-104 (All versions < V10.46), ETA5 Ethernet Int. 1x100TX IEC61850 Ed.2 (All versions < V03.27), PCCX26 Ax 1703 PE, Contr, Communication Element (All versions < V06.05). The affected devices contain an improper null termination vulnerability while parsing a specific HTTP header. This could allow an attacker to execute code in the context of the current process or lead to denial of service condition.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.