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CVE-2023-50361

HIGHCVSS 8.8/10EPSS 0.76%

Last modified

CVE-2023-50361 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later . EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
QnapQts5.1.0.2348Build 20230325
QnapQts5.1.0.2399Build 20230515
QnapQts5.1.0.2418Build 20230603
QnapQts5.1.0.2444Build 20230629
QnapQts5.1.0.2466Build 20230721
QnapQts5.1.1.2491Build 20230815
QnapQts5.1.2.2533Build 20230926
QnapQts5.1.3.2578Build 20231110
QnapQts5.1.4.2596Build 20231128
QnapQts5.1.5.2645Build 20240116
QnapQts5.1.5.2679Build 20240219
QnapQuts Heroh5.1.0.2409Build 20230525
QnapQuts Heroh5.1.0.2424Build 20230609
QnapQuts Heroh5.1.0.2453Build 20230708
QnapQuts Heroh5.1.0.2466Build 20230721
QnapQuts Heroh5.1.1.2488Build 20230812
QnapQuts Heroh5.1.2.2534Build 20230927
QnapQuts Heroh5.1.3.2578Build 20231110
QnapQuts Heroh5.1.4.2596Build 20231128
QnapQuts Heroh5.1.5.2647Build 20240118
QnapQuts Heroh5.1.5.2680Build 20240220

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-50361?
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later
How severe is CVE-2023-50361?
CVE-2023-50361 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.
How do I fix CVE-2023-50361?
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-2023-50361?

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

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Source: NVD / NIST