CVE-2021-22713 is a high-severity vulnerability identified in multiple Schneider Electric PowerLogic devices, including the ION8650, ION8800, ION7650, ION7700, and others. This vulnerability allows for improper restriction of operations within the bounds of a memory buffer, which could lead to unexpected behavior such as reboots of the affected devices.
The CVSS score for this vulnerability is 7.5, categorized as high severity, indicating significant risk. Its impact on availability is critical, as it can cause affected devices to reboot unexpectedly. Organizations utilizing these devices should be aware of the potential for service disruption and operational impact.
As of the latest updates, there is no public exploit or proof of concept available for this vulnerability, though its high CVSS score suggests that it warrants immediate attention. Organizations should prioritize patching these devices to prevent any potential misuse.
Organizations should prioritize patching immediately to mitigate risks associated with this vulnerability and ensure the integrity of their operational environments.
Vulnerability Details
The vulnerability is classified under CWE-119, indicating improper restriction of operations within the bounds of a memory buffer. Affected devices include the PowerLogic ION8650, ION8800, ION7650, ION7700/73xx, and ION83xx/84xx/85xx/8600. The vulnerability was published on March 11, 2021.
Technical Analysis
The root cause of this vulnerability lies in the improper handling of memory buffers, which can allow unauthorized operations to be performed outside of intended boundaries. The attack vector is network-based, requiring no privileges or user interaction, making it particularly concerning for organizations using these devices.
The attack complexity is low, as attackers exploiting this vulnerability do not need advanced skills to trigger the reboot. The availability impact is critical, as it can lead to complete service interruptions for the affected devices.
Risk & Impact Analysis
Risk to organizations includes potential downtime and service disruption, which can have a cascading effect on operations reliant on these devices. The critical availability impact means that organizations must act swiftly to address this vulnerability, particularly in environments where these devices play a crucial role in monitoring and management.
Given the current threat landscape, organizations should assess their exposure to this vulnerability. The urgency of remediation is high, and organizations should address this in their priority patch cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects several versions of Schneider Electric's PowerLogic devices, specifically those running firmware versions prior to 4.40.1 for the ION8650 and 372 for the ION8800. Other affected models include the ION7650 and ION7700, with specific firmware version limitations.
Mitigation & Remediation
Organizations should apply the latest firmware updates provided by Schneider Electric to mitigate this vulnerability. Specifically, they should upgrade to versions that address the memory buffer issue. In cases where patches are not immediately available, organizations should implement configuration hardening and monitoring to detect any unusual behavior arising from this vulnerability.
For ongoing protection, organizations may also consider engaging in penetration testing to evaluate their defenses against similar vulnerabilities.
Detection Guidance
Organizations should monitor logs for any indications of repeated reboots or unexpected device behavior that could signal an exploitation attempt. Additionally, network signatures that identify unusual traffic patterns directed towards these devices can aid in early detection.
AppSecure Threat Intelligence Insight
The presence of this vulnerability highlights the importance of robust memory management in firmware development. Schneider Electric's devices are widely used, and vulnerabilities like CVE-2021-22713 can have significant operational impacts. Security teams should take this incident as a learning opportunity to enhance their vulnerability management processes and prioritize timely patching.
For additional insights and strategies related to vulnerability management, organizations may refer to the following resources: vulnerability management program design, penetration testing methodology, and continuous security testing to stay ahead of threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)