RCE in QNAP Qts
CVE-2024-50405
An improper neutralization of CRLF sequences ('CRLF Injection') vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to modify application data. We have already fixed the vulnerability in the following versions: QTS 5.2.3.3006 build 20250108 and later QuTS hero h5.2.3.3006 build 20250108 and later
Vulnerability class: CRLF Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- QNAP Qts — versions 5.2.0.2737, 5.2.0.2744, 5.2.0.2782
- QNAP Quts Hero — versions h5.2.0.2737, h5.2.0.2782, h5.2.0.2789
- QNAP Systems Inc. Qts — versions 5.2.x
- QNAP Systems Inc. Quts Hero — versions h5.2.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.qnap.com/en/security-advisory/qsa-24-54 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-50405?
- CVE-2024-50405 is a medium-severity vulnerability in QNAP Qts, classified under CRLF Injection. CVSS score: 5.5/10. Published 2025-03-07.
- How severe is CVE-2024-50405?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2024-50405 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.