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Simatic Cn 4100 Firmware CVE-2024-32740

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2024-05-14 productcert@siemens.com
Authentication Bypass Simatic Cn 4100 Firmware
9.8
CVSS 3.1 · Vendor: siemens
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Severity by source

Vendor (siemens) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

CVSS VectorVendor: siemens

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

1
CVE Published
May 14, 2024 - 16:17 cve.org
CRITICAL 9.8

DescriptionCVE.org

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains undocumented users and credentials. An attacker could misuse the credentials to compromise the device locally or over the network.

AnalysisAI

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). 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 Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains undocumented users and credentials. An attacker could misuse the credentials to compromise the device locally or over the network. Affected products include: Siemens Simatic Cn 4100 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

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CVE-2024-32740 vulnerability details – vuln.today
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