CVE-2024-53693
CVE-2024-53693 is a high-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 7.1. 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
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v4: 7.1
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-54241
- Weakness: CWE-93
- Affected product: Qnap Qts
- Published:
- Last modified:
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 user 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-2024-53693?
- 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 user 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-2024-53693?
- CVE-2024-53693 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
- Is CVE-2024-53693 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-53693?
- CVE-2024-53693 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-2024-53693?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-53693 have an EU (EUVD) identifier?
- Yes. CVE-2024-53693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54241.
- When was CVE-2024-53693 published?
- CVE-2024-53693 was published on 2025-03-07 and last updated on 2026-06-17.
References
Affected products (19)
- cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.0.2744:build_20240424:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.0.2782:build_20240601:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.0.2802:build_20240620:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.0.2823:build_20240711:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.0.2851:build_20240808:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.0.2860:build_20240817:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.1.2930:build_20241025:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.2.2.2950:build_20241114:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2782:build_20240601:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2789:build_20240607:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2802:build_20240620:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2823:build_20240711:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2851:build_20240808:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.0.2860:build_20240817:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.1.2929:build_20241025:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.1.2940:build_20241105:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.2.2.2952:build_20241116:*:*:*:*:*:*
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