What is the CVSS score of CVE-2020-10042?

CVE-2020-10042 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.9%.

Sicam Mmu Firmware CVE-2020-10042

CRITICAL

Classic Buffer Overflow (CWE-120)

2020-07-14 productcert@siemens.com

Buffer Overflow RCE Sicam Mmu Firmware Sicam Sgu Firmware Sicam T Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 14, 2020 - 14:15 nvd

CRITICAL 9.8

DescriptionNVD

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). A buffer overflow in various positions of the web application might enable an attacker with access to the web application to execute arbitrary code over the network.

AnalysisAI

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). A buffer overflow in various positions of the web application might enable an attacker with access to the web application to execute arbitrary code over the network. Affected products include: Siemens Sicam Mmu Firmware, Siemens Sicam Sgu Firmware, Siemens Sicam T Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.