CVE-2020-8713 in Server Board
Summary
by MITRE
Improper authentication for some Intel(R) Server Boards, Server Systems and Compute Modules before version 1.59 may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
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Analysis
by VulDB Data Team • 11/09/2020
The vulnerability identified as CVE-2020-8713 represents a critical authentication flaw affecting Intel server hardware platforms including server boards, systems, and compute modules. This weakness stems from inadequate authentication mechanisms that fail to properly validate user credentials for administrative functions. The vulnerability specifically impacts devices running firmware versions prior to 1.59, creating a persistent security gap that could be exploited by attackers with physical or network proximity to the affected systems.
The technical nature of this flaw falls under the category of improper authentication as defined by CWE-287, where the system fails to properly authenticate users attempting to access privileged functions. The vulnerability allows an unauthenticated user to potentially escalate privileges through adjacent access, meaning an attacker who can physically approach or network-access the device could gain unauthorized administrative control. This represents a significant weakness in the security architecture of these server platforms, as the authentication mechanisms do not adequately protect against local privilege escalation attacks.
From an operational perspective, this vulnerability creates substantial risk for organizations deploying affected Intel server hardware. The requirement for adjacent access limits the attack surface compared to remote exploits, but it still represents a serious threat vector given that physical access to server environments is often possible in data centers and enterprise facilities. Attackers could leverage this vulnerability to modify system configurations, install malicious software, or gain persistent access to network infrastructure. The privilege escalation capability means that even if initial access is limited, attackers could ultimately gain complete control over the affected systems.
The impact of this vulnerability extends beyond immediate security concerns to encompass broader operational risks including data integrity compromise, service disruption, and potential lateral movement within network environments. Organizations utilizing affected hardware should prioritize firmware updates to version 1.59 or later to remediate this issue. The mitigation strategy should include comprehensive inventory assessment to identify all affected devices, implementation of network segmentation to limit adjacent access, and enhanced physical security measures for server environments. Additionally, organizations should consider implementing monitoring solutions to detect suspicious authentication attempts or privilege escalation activities, as the vulnerability could be exploited without generating obvious network traffic patterns.
This vulnerability aligns with ATT&CK technique T1068 which covers "Exploitation for Privilege Escalation" and demonstrates how weaknesses in authentication mechanisms can be leveraged to achieve unauthorized administrative access. The remediation approach should follow standard security practices including timely patch management, regular vulnerability assessments, and implementation of defense-in-depth strategies. Organizations should also consider the broader implications for their security posture and ensure that their incident response procedures account for potential exploitation of similar authentication weaknesses in other hardware components.