Appsecure logo

CVE-2024-49775: Critical Vulnerability in Siemens Opcenter and TIA Portal

A critical heap-based buffer overflow vulnerability has been identified in multiple Siemens products. This vulnerability allows unauthenticated remote attackers to execute arbitrary code, necessitating immediate attention from organizations to mitigate potential risks.

CRITICALCVSS 9.3 · Published December 16, 2024

Not a customer? See how AppSecure simulates real world attacks to protect your infrastructure.

Speak to Experts

A critical heap-based buffer overflow vulnerability has been identified in various Siemens products, including Opcenter Execution Foundation, Opcenter Intelligence, Opcenter Quality, Opcenter RDnL, SIMATIC PCS neo, and Totally Integrated Automation Portal (TIA Portal). This vulnerability allows unauthenticated remote attackers to execute arbitrary code, posing a severe risk to organizations using these systems. With a CVSS score of 9.3, this vulnerability is classified as critical, indicating the urgency for organizations to address this issue promptly.

The affected versions include Opcenter Execution Foundation (All versions < V2501.0001), Opcenter Intelligence (All versions < V2501.0001), Opcenter Quality (All versions < V2512), Opcenter RDnL (All versions < V2410), and various versions of the SIMATIC PCS neo and TIA Portal. Given the widespread use of these products in critical infrastructures, organizations need to prioritize patching to mitigate the associated risks.

The vulnerability was published on December 16, 2024, and involves a heap-based buffer overflow in the integrated UMC component. The potential impact includes unauthorized access and control over affected systems, which could lead to further exploitation or disruption of services.

Organizations should prioritize patching immediately to prevent unauthorized access and protect their systems from potential exploitation. The urgency of this vulnerability underscores the importance of maintaining updated security practices and ensuring that all systems are running the latest versions.

Vulnerability Details

This vulnerability allows unauthenticated remote attackers to execute arbitrary code. It affects various Siemens products, with the following specific version ranges: Opcenter Execution Foundation (All versions < V2501.0001), Opcenter Intelligence (All versions < V2501.0001), Opcenter Quality (All versions < V2512), Opcenter RDnL (All versions < V2410), SIMATIC PCS neo (All versions), and TIA Portal (All versions). The CVSS score of 9.3 indicates critical severity, emphasizing the need for rapid remediation.

Technical Analysis

The root cause of this vulnerability is a heap-based buffer overflow in the integrated UMC component. The attack vector is network-based, allowing remote exploitation with low complexity. No privileges are required for exploitation, and user interaction is not necessary. The potential impacts on confidentiality, integrity, and availability are all rated as high, indicating a severe risk to affected systems.

Risk & Impact Analysis

Risk to organizations includes unauthorized access and control over critical systems, leading to potential disruption of services and data breaches. The blast radius of this vulnerability can extend across various Siemens products, amplifying the urgency for immediate patching. Given the critical nature of the affected products, organizations must assess their exposure and respond accordingly.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The following versions of Siemens products are affected: Opcenter Execution Foundation (All versions < V2501.0001), Opcenter Intelligence (All versions < V2501.0001), Opcenter Quality (All versions < V2512), Opcenter RDnL (All versions < V2410), SIMATIC PCS neo V4.0 (All versions), SIMATIC PCS neo V4.1 (All versions < V4.1 Update 3), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1), and Totally Integrated Automation Portal (TIA Portal) V16, V17, V18, V19 (All versions).

Mitigation & Remediation

Organizations should prioritize patching immediately. Siemens has provided patches for affected versions, and organizations should ensure they are running the latest versions to mitigate this vulnerability. If patches are not available, organizations should implement network controls to limit exposure and monitor systems for any suspicious activity. For further guidance on testing and validating security measures, consult our penetration testing services that help in identifying and addressing potential vulnerabilities.

Detection Guidance

Organizations should monitor logs for indicators of exploitation attempts, including unusual access patterns or unexpected service requests. Behavioral anomalies in system performance may also signal potential exploitation of this vulnerability. Regular system audits and monitoring for integrity checks can help identify unauthorized changes in the system.

AppSecure Threat Intelligence Insight

This vulnerability highlights the critical need for organizations to maintain up-to-date systems and prioritize security measures in their operational environments. The ability for attackers to exploit such vulnerabilities demonstrates the importance of proactive security assessments. Security teams should continuously assess their attack surface and consider adopting a comprehensive penetration testing methodology as part of their security strategy. Additionally, organizations should evaluate their incident response plans and ensure they are prepared for potential exploitation scenarios. For more insights on security trends, refer to our vulnerability management program and the importance of a proactive approach to cybersecurity.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

Latest CVEs. Recently published vulnerabilities from the NVD database.

View all vulnerabilities
CVE IDSeverity
CVE-2025-65418HIGH
CVE-2025-65417MEDIUM
CVE-2025-65416MEDIUM
CVE-2025-65415MEDIUM
CVE-2025-61314HIGH

Protect Your Business with Hacker-Focused Approach.