CVE-2023-39303

QTS, QuTS hero, QuTScloud

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 QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later

Remediation

Solution:

  • 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

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory qnap.com
Affected: QNAP Systems Inc. QTS
Affected: QNAP Systems Inc. QuTS hero
Affected: QNAP Systems Inc. QuTScloud
Published at:
Updated at:

References

Link Tags
https://www.qnap.com/en/security-advisory/qsa-23-33 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-39303?
CVE-2023-39303 has been scored as a medium severity vulnerability.
How to fix CVE-2023-39303?
To fix CVE-2023-39303: 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
Is CVE-2023-39303 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-39303 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-39303?
CVE-2023-39303 affects QNAP Systems Inc. QTS, QNAP Systems Inc. QuTS hero, QNAP Systems Inc. QuTScloud.
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