How severe is CVE-2022-27596?

CVE-2022-27596 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-27596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27596?

CVE-2022-27596 primarily affects Qnap Qts. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-27596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-27596 published?

CVE-2022-27596 was published on 2023-01-30 and last updated on 2026-06-17.

CVE-2022-27596

CVE-2022-27596 is a critical-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Qnap Qts
Published: 2023-01-30
Last modified: 2026-06-17

Description

A vulnerability has been reported to affect QNAP device running QuTS hero, QTS. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QuTS hero, QTS: QuTS hero h5.0.1.2248 build 20221215 and later QTS 5.0.1.2234 build 20221201 and later

Frequently asked questions

What is CVE-2022-27596?: A vulnerability has been reported to affect QNAP device running QuTS hero, QTS. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QuTS hero, QTS: QuTS hero h5.0.1.2248 build 20221215 and later QTS 5.0.1.2234 build 20221201 and later
How severe is CVE-2022-27596?: CVE-2022-27596 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-27596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27596?: CVE-2022-27596 primarily affects Qnap Qts. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-27596 published?: CVE-2022-27596 was published on 2023-01-30 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-23-01

Affected products (2)

cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*

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