CVE-2024-50405

CVE-2024-50405 is a medium-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.

Key facts

Description

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

Frequently asked questions

What is 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
How severe is CVE-2024-50405?
CVE-2024-50405 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2024-50405 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-50405?
CVE-2024-50405 primarily affects Qnap Qts. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-50405?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-50405 have an EU (EUVD) identifier?
Yes. CVE-2024-50405 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54223.
When was CVE-2024-50405 published?
CVE-2024-50405 was published on 2025-03-07 and last updated on 2026-06-17.

References

Affected products (19)

More vulnerabilities in Qnap Qts

All CVEs affecting Qnap Qts →

Other CWE-93 (CRLF Injection) vulnerabilities

Browse all CWE-93 (CRLF Injection) vulnerabilities →