Resource exhaustion in QNAP Systems, Inc. products - CVE-2022-27600

Vulnerability identifier: #VU78741

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-27600

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote user can trigger resource exhaustion and perform a denial of service (DoS) attack.

QuTScloud
QuTS hero
QVP (QVR Pro appliances)
QNAP QTS

Install updates from vendor's website.

QuTScloud - update to c5.0.1.2374 build 20230419
QuTS hero - addressed in versions h4.5.4.2374 build 20230417, h5.0.1.2277 build 20230112
QVP (QVR Pro appliances) - update to 2.3.1.0476
QNAP QTS - addressed in versions 4.5.4.2280 20230112, 5.0.1.2277 20230112

• https://www.qnap.com/en/security-advisory/qsa-23-09

• Denial of service in QNAP QTS, QuTS hero, QuTScloud, and QVP (QVR Pro appliances)