vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2020-5847

CRITICAL
9.8
CVSS Score
Published: March 16, 2020 at 05:23 PM UTC
Updated: June 17, 2026 at 03:22 AM UTC
1 product affected across 1 vendorUnraid

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 96%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score95.8%

EPSS (Exploit Prediction Scoring System) estimates a 95.8% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Unraid contains a vulnerability due to the insecure use of the extract PHP function that can be abused to execute remote code as root. This CVE is chainable with CVE-2020-5849 for initial access.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Nov 3, 2021
Remediation Due
May 3, 2022
1640 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-5847

Description

Unraid through 6.8.0 allows Remote Code Execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Unraid· Unraid
95%
v ≤ 6.8.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-Execution.html
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://forums.unraid.net/forum/7-announcements/
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://sysdream.com/news/lab/
x_refsource_MISCBroken LinkExploitThird Party Advisory
Source: [email protected]
https://sysdream.com/news/lab/2020-02-06-cve-2020-5847-cve-2020-5849-unraid-6-8-0-unauthenticated-remote-code-execution-as-root/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5847

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-Other

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card