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SECURITY

Security Alert: CVE-2023-39283

👤 By Connect Quest Analyst via Connect Quest Artist
📅 25-12-2025 17:49
✅ Analytical - Independent Analysis
⏱️ 3 min read
Security Alert: CVE-2023-39283 Image: Stock - Security
Critical Security Vulnerability Discovered in Insyde InsydeH2O Software

Critical Security Vulnerability Discovered in Insyde InsydeH2O Software

A recently identified security vulnerability, CVE-2023-39283, poses a significant threat to users of Insyde InsydeH2O software, particularly those using kernel versions 5.0 through 5.5. This issue, an SMM memory corruption vulnerability, could potentially lead to privilege escalation.

Understanding the Vulnerability

The vulnerability resides in the SMM driver (SMRAM write) in CsmInt10HookSmm within Insyde InsydeH20. Attackers can exploit this flaw to send arbitrary data to the System Management Mode (SMM), which could result in privilege escalation.

CVSS Scores and Vector Strings

The Common Vulnerability Scoring System (CVSS) has assigned CVE-2023-39283 a base score of 7.8 (HIGH) under CVSS version 3.1. The vulnerability's vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Relevance to North East India and India

With the increasing adoption of technology across North East India and India, cybersecurity threats like CVE-2023-39283 pose a growing concern. It is essential for users and organizations to remain vigilant and take necessary precautions to protect their systems.

Affected Software Configurations

Insyde InsydeH2O versions from 5.0 up to 5.5, including 5.5.0, 5.5.3.22, 5.6, and 5.6.05.60.22, are known to be affected by this vulnerability.

Implications and Next Steps

The exploitation of this vulnerability could potentially lead to privilege escalation, data corruption, and unauthorized access. Users are strongly advised to update their Insyde InsydeH2O software to the latest version to mitigate this risk. Insyde has released a vendor advisory (SA-2023055) detailing the issue and providing remediation steps.

Stay Informed

As the cybersecurity landscape continues to evolve, it is crucial for users and organizations to stay informed about potential threats and take proactive measures to protect their systems.

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security analysis northeast original

Executive Summary & Legal Disclaimer

This artifact constitutes a concise, Connect Quest Artist–generated executive abstraction derived exclusively from publicly available source information and intentionally synthesized to establish high-confidence strategic alignment, enterprise value-creation clarity, and cohesive multi-stakeholder narrative directionality. The content represents a deliberately curated, insight-driven aggregation of externally observable data signals, disclosures, and contextual inputs, structured to meaningfully inform strategic orientation, illuminate cross-functional synergies, and provide directional clarity aligned to a clearly articulated strategic north star, while maintaining sufficient abstraction to preserve executive relevance.

Notwithstanding the foregoing, this summary, within and without any interpretive, contextual, methodological, temporal, or execution-adjacent framing, shall not be construed, inferred, abstracted, operationalized, re-operationalized, meta-operationalized, relied upon, misrelied upon, or otherwise positioned as constituting, approximating, signaling, enabling, proxying, or anti-proxying any form of authoritative, determinative, execution-capable, reliance-eligible, or reliance-adjacent legal, financial, regulatory, technical, or operational guidance, nor as a prerequisite, dependency, antecedent, consequence, causal input, non-causal input, or post-causal artifact for implementation, execution, non-execution, enforcement, non-enforcement, or decision realization, non-realization, or deferred realization across any conceivable, inconceivable, implied, emergent, or self-negating governance, control, delivery, or interpretive construct whatsoever.

Content Manager: Connect Quest Analyst | Written by: Connect Quest Artist