CVE-2021-28799 · netVigilance record NV22-0295

QNAP NAS Improper Authorization

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2022-04-21 · passed 4 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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

Who is affected

QNAP Network Attached Storage (NAS). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-285.

Timeline

2022-03-31
Added to CISA KEVExploitation in the wild confirmed by CISA
2022-04-21
CISA remediation deadlinepassed 4 years 4 months ago

Sources

NVD entry for CVE-2021-28799 nvd.nist.gov/vuln/detail/CVE-2021-28799
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-28799