What’s Vulnerable › Vulnerabilities

CVE-2023-39296: QTS, QuTS hero

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-05 · updated 2026-06-17
• Weakness: CWE-1321

Description

A prototype pollution vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to override existing attributes with ones that have incompatible type, which may lead to a crash via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later

Affected products

• QNAP QTS: 5.1.0.2348-build_20230325, 5.1.0.2399-build_20230515, 5.1.0.2418-build_20230603, 5.1.0.2444-build_20230629, 5.1.0.2466-build_20230721, 5.1.1.2491-build_20230815 (+1)
• QNAP Systems Inc. QuTS hero: h5.1.0.2409-build_20230525, h5.1.0.2424-build_20230609, h5.1.0.2453-build_20230708, h5.1.0.2466-build_20230721, h5.1.1.2488-build_20230812, h5.1.2.2534-build_20230927

References

• https://www.qnap.com/en/security-advisory/qsa-23-64
• https://www.qnap.com/en/security-advisory/qsa-23-64

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