PatchSiren cyber security CVE debrief
CVE-2020-5847 Unraid CVE debrief
CVE-2020-5847 is a Unraid remote code execution vulnerability that CISA added to its Known Exploited Vulnerabilities catalog. The supplied records indicate it is considered actively relevant for defenders, but the corpus does not include affected versions, attack details, or a CVSS score. CISA’s required action is to apply updates per vendor instructions.
- Vendor
- Unraid
- Product
- Unraid
- CVSS
- Unknown
- CISA KEV
- Listed
- Original CVE published
- 2021-11-03
- Original CVE updated
- 2021-11-03
- Advisory published
- 2021-11-03
- Advisory updated
- 2021-11-03
Who should care
Unraid administrators, infrastructure and security teams responsible for Unraid deployments, and incident response teams tracking exploited vulnerabilities.
Technical summary
The official corpus identifies CVE-2020-5847 as an Unraid remote code execution issue. CISA’s KEV entry records the vendor as Unraid, the product as Unraid, and the required action as applying updates per vendor instructions. The source set does not provide root cause, exploit preconditions, affected versions, or mitigation specifics beyond patching guidance. The KEV entry was added on 2021-11-03 with a due date of 2022-05-03.
Defensive priority
Critical
Recommended defensive actions
- Inventory all Unraid deployments and confirm which instances are in service.
- Check vendor guidance and apply the latest Unraid updates as directed.
- Prioritize remediation for any exposed or business-critical Unraid systems.
- Verify patch status after updating and document the remediation date.
- Review logs and administrative activity for unexpected changes around the exposure window.
- If immediate patching is not possible, reduce exposure by limiting access and isolating the system until updates are applied.
Evidence notes
This debrief is based only on the supplied official sources: the CISA Known Exploited Vulnerabilities feed entry, the official CVE record link, and the NVD detail link. The corpus confirms the vulnerability name, vendor/product association, KEV inclusion, dateAdded of 2021-11-03, dueDate of 2022-05-03, and the vendor instruction to apply updates. It does not provide exploit mechanics, affected versions, or a CVSS score.
Official resources
-
CVE-2020-5847 CVE record
CVE.org
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CVE-2020-5847 NVD detail
NVD
-
CISA Known Exploited Vulnerabilities catalog
CISA - Apply updates per vendor instructions.
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Source item URL
cisa_kev
The supplied official records place the public CVE/KEV timeline on 2021-11-03. No additional disclosure details are included in the corpus.