CISA KEVRansomware Use Known

CVE-2021-28799

QNAP NAS Improper Authorization Vulnerability

QNAP NAS running HBS 3 contains an improper authorization vulnerability which can allow remote attackers to log in to a device.

VendorQNAP

ProductNetwork Attached Storage (NAS)

EPSS78.3%

Added to KEVMar 31, 2022

Remediation DueApr 21, 2022

Known Ransomware UseYes

CWECWE-285

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2021-28799, added to the catalogue on Mar 31, 2022 with a remediation deadline of Apr 21, 2022.

Added to KEVMar 31, 2022

Seraph AlertSame day

Remediation DueApr 21, 2022

ValidationOngoing

Overdue1651 days overdue

Recommended action: Apply vendor remediation guidance.

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