XSS in QNAP Qts
CVE-2024-21897
A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to inject malicious code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · 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)
Public proof-of-concept exploits
References
- www.qnap.com/en/security-advisory/qsa-24-20 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21897?
- CVE-2024-21897 is a high-severity vulnerability in QNAP Qts, classified under Cross-site Scripting. CVSS score: 8.9/10. Published 2024-09-06.
- How severe is CVE-2024-21897?
- High severity. CVSS v3 base score is 8.9 out of 10.
- Is CVE-2024-21897 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.