CVE-2024-37401 is classified as a high-severity vulnerability found in Ivanti Connect Secure versions prior to 22.7R2.1. This vulnerability allows remote unauthenticated attackers to exploit an out-of-bounds read in the IPsec component, leading to a denial of service (DoS). Given its potential impact, organizations utilizing affected versions of Ivanti Connect Secure must prioritize remediation efforts.
The CVSS score for this vulnerability is 7.5, indicating a high level of severity. The score reflects an attack vector over the network, low attack complexity, and no privileges or user interaction required for exploitation. Consequently, the risk to organizations includes potential service disruption and significant downtime if left unaddressed.
Currently, there are no known exploits or public proof of concepts (PoCs) associated with this vulnerability. However, organizations should remain vigilant and proactive in their security measures, as the absence of an exploit does not negate the risk posed by this vulnerability.
Organizations should prioritize patching immediately to mitigate the risks associated with this vulnerability. Effective patch management processes should be reviewed and strengthened to ensure timely updates and protection against potential threats.
Vulnerability Details
The official description of CVE-2024-37401 states, "An out-of-bounds read in IPsec of Ivanti Connect Secure before version 22.7R2.1 allows a remote unauthenticated attacker to cause a denial of service." This vulnerability is classified under CWE-125, which indicates a potential issue with improper validation of input, leading to vulnerabilities in software.
The CVSS score of 7.5 categorizes this vulnerability as high severity, highlighting its potential impact on availability. The affected products include Ivanti Connect Secure and Ivanti Policy Secure. The vulnerability was published on December 12, 2024.
Technical Analysis
The root cause of CVE-2024-37401 stems from an out-of-bounds read condition in the IPsec component of Ivanti Connect Secure. This vulnerability can be exploited over the network, with low attack complexity and no user interaction required. It allows attackers to trigger a denial of service without needing any privileges.
The impact of this vulnerability primarily affects the availability of the affected systems, as it can lead to service disruption. There are no confidentiality or integrity impacts associated with this vulnerability.
Risk & Impact Analysis
Risk to organizations includes potential service disruptions that could lead to significant operational impacts. The blast radius is concerning, particularly for organizations relying heavily on Ivanti Connect Secure for secure communications. The urgency for organizations to address this vulnerability is high, given its CVSS score of 7.5 and the potential for exploitation.
Organizations should address this vulnerability in their priority patch cycle to mitigate associated risks and protect their systems from potential downtime.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
This vulnerability affects Ivanti Connect Secure versions before 22.7R2.1 and Ivanti Policy Secure versions before 22.7. Organizations using these versions should upgrade to the latest patched versions.
Mitigation & Remediation
Organizations should update to the latest version of Ivanti Connect Secure to remediate this vulnerability. If immediate upgrading is not possible, organizations should implement network controls to limit exposure and monitor for anomalous activity. Additionally, organizations should consider engaging in penetration testing to validate security measures and ensure that no additional vulnerabilities exist.
Detection Guidance
Organizations should monitor logs for indicators of exploitation attempts, including abnormal traffic patterns or repeated connection failures. Behavioral anomalies in service usage may also indicate attempts to exploit this vulnerability. Network signatures identifying unusual packet sizes associated with IPsec traffic should be implemented as part of the detection strategy.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-37401 lies in its potential impact on the availability of critical services provided by Ivanti Connect Secure. This vulnerability exemplifies the importance of proactive vulnerability management and timely patching. Organizations should learn from this incident and reinforce their security posture by adopting a comprehensive vulnerability management program to continuously assess and improve their security measures. Engaging in regular penetration testing can provide valuable insights into existing vulnerabilities and help organizations stay ahead of emerging threats.
In conclusion, CVE-2024-37401 highlights the need for organizations to prioritize security updates and maintain awareness of vulnerabilities to protect their systems from potential disruption.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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