CVE-2020-5849

Unraid: Authentication Bypass

As of , CVE-2020-5849 in Unraid is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 3 November 2021
US federal deadline
3 May 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.93Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
Public exploit
1 Metasploit module and 1 Exploit-DB entry (1 verified)
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

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.

CISA's description

Unraid 6.8.0 allows authentication bypass.

The CVE record's description, from mitre

CVE published
16 March 2020
Assigned by
mitre
CVSS
7.5 High (CVSS 3.1, from CISA-ADP)
CWE-697
Incorrect Comparison
CWE-287
Improper Authentication
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. Exploit-DB published an exploit (EDB-ID 48353).
  3. CISA added it to its list of exploited vulnerabilities.
  4. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

Unraid: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2020-5847Remote Code ExecutionUnraid UnraidPatch this weekMetasploit module; EPSS 0.96; verified Exploit-DB entry0.96

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