Unraid 6.8.0 allows authentication bypass.
Published 2020-03-16 18:15:13
Updated 2022-04-18 15:14:51
Source MITRE
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2020-5849

CVE-2020-5849 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Unraid Authentication Bypass Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Unraid contains an authentication bypass vulnerability that allows attackers to gain access to the administrative interface. This CVE is chainable with CVE-2020-5847 for remote code execution.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2020-5849
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2020-5849

97.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2020-5849

  • Unraid 6.8.0 Auth Bypass PHP Code Execution
    Disclosure Date: 2020-02-10
    First seen: 2020-04-26
    exploit/linux/http/unraid_auth_bypass_exec
    This module exploits two vulnerabilities affecting Unraid 6.8.0. An authentication bypass is used to gain access to the administrative interface, and an insecure use of the extract PHP function can be abused for arbitrary code execution as root. Auth

CVSS scores for CVE-2020-5849

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

CWE ids for CVE-2020-5849

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)
  • The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-5849

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