Prototype Pollution in QNAP Qts
CVE-2023-39296
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
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- QNAP Qts — versions 5.1.0.2348, 5.1.0.2399, 5.1.0.2418
- QNAP Quts Hero — versions h5.1.0.2409, h5.1.0.2424, h5.1.0.2453
- QNAP Systems Inc. Qts — versions 5.1.x
- QNAP Systems Inc. Quts Hero — versions h5.1.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-23-64 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-39296?
- CVE-2023-39296 is a high-severity vulnerability in QNAP Qts, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2024-01-05.
- How severe is CVE-2023-39296?
- High severity. CVSS v3 base score is 7.5 out of 10.