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CVE-2024-21899

CRITICALCVSS 9.8/10EPSS 24.37%

Last modified

CVE-2024-21899 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An improper authentication 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 QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later . EPSS estimates a 24.37% chance of exploitation in the next 30 days.

Description

An improper authentication 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 QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
24.37%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
QnapQts< 4.5.4.2627
QnapQts>= 5.1.0, < 5.1.3.2578
QnapQts4.5.4.2627
QnapQts5.1.3.2578
QnapQuts Hero< h4.5.4.2626
QnapQuts Hero>= h5.1.0, < h5.1.3.2578
QnapQuts Heroh4.5.4.2626
QnapQuts Heroh5.1.3.2578
QnapQutscloud< c5.1.5.2651

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2024-21899?
An improper authentication 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 QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later
How severe is CVE-2024-21899?
CVE-2024-21899 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 24.37% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21899?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21899?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST