Integer overflow in QNAP Qts
CVE-2024-21905
An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to compromise the security of the system via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (37.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- QNAP Qts — versions 5.1.3.2578
- QNAP Qutscloud
- QNAP Quts Hero — versions h5.1.3.2578
- QNAP Systems Inc. Qts — versions 5.1.x
- QNAP Systems Inc. Qutscloud — versions c5.x.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-24-16 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21905?
- CVE-2024-21905 is a medium-severity vulnerability in QNAP Qts, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2024-04-26.
- How severe is CVE-2024-21905?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-21905 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.