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CISA KEV(1635d overdue)EPSS 93.2%top 0.16%

CVE-2020-5849: Unraid Authentication Bypass Vulnerability

0
High
Vulnerability
Published: 11/03/2021 (11/03/2021, 00:00:00 UTC)
Last modified: 10/24/2026
Source: CISA KEV
Vendor/Project: Unraid
Product: Unraid

Description

Unraid contains an authentication bypass vulnerability (CVE-2020-5849) that allows attackers to gain unauthorized access to the administrative interface. This vulnerability can be chained with CVE-2020-5847 to achieve remote code execution. The vulnerability is known to be exploited in the wild and is considered high severity.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/24/2026, 08:43:13 UTC

Technical Analysis

CVE-2020-5849 is an authentication bypass vulnerability in Unraid that enables attackers to bypass authentication controls and access the administrative interface without proper credentials. This flaw can be combined with another vulnerability, CVE-2020-5847, to perform remote code execution on the affected system. The vulnerability has been observed in active exploitation campaigns.

Potential Impact

Successful exploitation allows attackers to gain administrative access to the Unraid system, potentially leading to full system compromise when chained with CVE-2020-5847. This can result in unauthorized control over the affected system and execution of arbitrary code.

Mitigation Recommendations

No patch or official remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the Unraid administrative interface and monitor for suspicious activity.

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Threat ID: 6adc6f613fe894698b2dda68

Added to database: 10/24/2026, 08:42:09 UTC

Last enriched: 10/24/2026, 08:43:13 UTC

Last updated: 10/24/2026, 09:30:24 UTC

Views: 3

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