CVE-2023-41121 in Array
Summary
by MITRE • 08/26/2023
Array AG OS before 9.4.0.499 allows denial of service: remote attackers can cause system service processes to crash through abnormal HTTP operations.
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Analysis
by VulDB Data Team • 01/31/2026
The vulnerability identified as CVE-2023-41121 affects Array AG OS versions prior to 9.4.0.499 and represents a critical denial of service weakness that can be exploited by remote attackers to disrupt system services. This issue manifests when abnormal HTTP operations are performed against the affected system, leading to crashes in system service processes that can result in complete service interruption. The vulnerability resides within the HTTP processing mechanisms of the Array AG OS operating system, making it particularly concerning for organizations relying on this platform for their storage infrastructure operations. The remote nature of the attack vector means that adversaries do not require physical access or local system privileges to exploit this weakness, significantly expanding the potential attack surface.
The technical flaw underlying CVE-2023-41121 stems from inadequate input validation and error handling within the HTTP request processing components of Array AG OS. When malformed or unexpected HTTP operations are received by the system, the service processes fail to properly handle these abnormal inputs, resulting in uncontrolled crashes and subsequent service disruption. This type of vulnerability commonly falls under CWE-20: Improper Input Validation, which encompasses issues where software fails to properly validate or sanitize input data before processing. The lack of proper boundary checks and exception handling in the HTTP processing stack creates a pathway for attackers to craft specific HTTP requests that trigger memory corruption or other internal system failures. The vulnerability demonstrates characteristics consistent with buffer overflow conditions or improper resource management, where the system fails to gracefully handle unexpected input patterns.
The operational impact of CVE-2023-41121 extends beyond simple service interruption to potentially compromise business continuity and data availability for organizations utilizing Array AG OS platforms. When system service processes crash due to this vulnerability, critical storage operations may become unavailable, affecting data access and application functionality that depends on the affected infrastructure. The remote exploit capability means that attackers can target these systems from anywhere on the network, making traditional network segmentation and perimeter-based security measures insufficient to prevent exploitation. Organizations may experience extended downtime as system administrators work to restore services, potentially leading to cascading effects throughout their IT infrastructure. The vulnerability also creates opportunities for attackers to conduct further reconnaissance or establish persistent access points within the network, as the service disruption may mask other malicious activities.
Mitigation strategies for CVE-2023-41121 should prioritize immediate patch deployment to upgrade Array AG OS to version 9.4.0.499 or later, which contains the necessary fixes to address the HTTP processing flaws. Network administrators should implement comprehensive monitoring of HTTP traffic to detect anomalous patterns that may indicate exploitation attempts, utilizing intrusion detection systems and security information event management tools to identify potential attacks. Access control measures should be strengthened through the implementation of web application firewalls and rate limiting mechanisms to prevent abuse of HTTP endpoints. Organizations should also consider implementing network segmentation to isolate critical storage infrastructure from general network access, reducing the attack surface available to potential adversaries. The remediation process should include thorough testing of the updated system to ensure that the patch does not introduce compatibility issues with existing applications or services. According to ATT&CK framework methodology, this vulnerability aligns with techniques related to service stoppage and system resource exhaustion, potentially enabling adversaries to achieve broader operational disruption objectives.