XSS in QNAP Qts
CVE-2021-38674
A cross-site scripting (XSS) vulnerability has been reported to affect QTS, QuTS hero and QuTScloud. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud: QuTS hero h4.5.4.1771 build 20210825 and later QTS 4.5.4.1787 build 20210910 and later QuTScloud c4.5.7.1864 and later
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- QNAP Qts
- QNAP Qutscloud
- QNAP Quts Hero
- QNAP Systems Inc. Qts — versions unspecified
- QNAP Systems Inc. Qutscloud — versions unspecified
- QNAP Systems Inc. Quts Hero — versions unspecified
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-21-63 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-38674?
- CVE-2021-38674 is a medium-severity vulnerability in QNAP Qts, classified under Cross-site Scripting. CVSS score: 4.2/10. Published 2022-01-07.
- How severe is CVE-2021-38674?
- Medium severity. CVSS v3 base score is 4.2 out of 10.