CVE-2021-31346 Explained : Impact and Mitigation
Learn about CVE-2021-31346 affecting Siemens products, leading to Information Leak and Denial-of-Service risks. Find details on impacted systems, versions, exploitation, and mitigation measures.
This article provides insights into CVE-2021-31346, a vulnerability affecting a range of Siemens products, leading to potential Information Leak and Denial-of-Service conditions.
Understanding CVE-2021-31346
CVE-2021-31346 is associated with improper validation of specified quantity in input (CWE-1284) within multiple Siemens products.
What is CVE-2021-31346?
A vulnerability has been identified in various Siemens products, where the total length of an ICMP payload is unchecked, potentially causing Information Leak and Denial-of-Service conditions.
The Impact of CVE-2021-31346
The unchecked ICMP payload length can result in different side effects, including potential Information Leak and Denial-of-Service conditions based on memory organization in the network buffer.
Technical Details of CVE-2021-31346
The vulnerability affects products like APOGEE, Desigo, Nucleus, SIMOTICS CONNECT, TALON TC, and more, with varying versions.
Vulnerability Description
The vulnerability arises from an unchecked total length of an ICMP payload, posing risks of Information Leak and Denial-of-Service conditions.
Affected Systems and Versions
Impacted products include APOGEE MBC, APOGEE MEC, Capital VSTAR, Desigo PXC series, Nucleus NET, SIMOTICS CONNECT 400, TALON TC Compact, and TALON TC Modular, with specific versions detailed.
Exploitation Mechanism
Exploiting this vulnerability involves manipulating the total length of an ICMP payload in the IP header to trigger Information Leak and potential Denial-of-Service attacks.
Mitigation and Prevention
It is crucial to take immediate action and implement security measures to address CVE-2021-31346 and prevent potential cyber threats.
Immediate Steps to Take
Organizations are advised to apply relevant security patches provided by Siemens and closely monitor network activities for any suspicious behavior.
Long-Term Security Practices
Establishing robust network security protocols, conducting regular vulnerability assessments, and educating staff on cybersecurity best practices can enhance long-term security.
Patching and Updates
Regularly update and patch affected Siemens products to mitigate the risks associated with CVE-2021-31346 and ensure a secure operational environment.