Missing Authentication for Critical Function in RTRR Server in HBS3
CVE-2021-28809

9.8CRITICAL

Key Information:

Vendor
QNAP
Status
Hbs 3
Vendor
CVE Published:
8 July 2021

Summary

An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later

Affected Version(s)

HBS 3 QTS 4.3.3 < unspecified

HBS 3 QTS 4.3.4 < unspecified

HBS 3 QTS 4.3.6 < unspecified

References

https://www.qnap.com/en/security-advisory/qsa-21-19
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-21-783/
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ta-Lun Yen of TXOne IoT/ICS Security Research Labs of Trend Micro working with Trend Micro’s Zero Day Initiative
.