Is CVE-2023-23355 in the CISA KEV catalog?

No. CVE-2023-23355 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23355?

CVE-2023-23355 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2023-23355?

CVE-2023-23355 has an EPSS score of 1.23% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23355?

Upgrade qts to 5.0.1.2346 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-23355

MEDIUM

6.6

CVSS v3

NVD

Description

An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote authenticated administrators to execute commands via unspecified vectors. QES is not affected. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2346 build 20230322 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2348 build 20230324 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

CWE-77Command Injection CWE-78OS Command Injection

How to fix

Remediation Available

qtsNVD

Affected:< 5.0.1.2346Fixed in:5.0.1.2346CVE-2023-23355derived from NVD

quts heroNVD

Affected:< h5.0.1.2348Fixed in:h5.0.1.2348CVE-2023-23355derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

1.23%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory1

qnap.com

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-21887	Critical	9.1	100%	KEV + Ransom	-
CVE-2023-1671	Critical	9.8	100%	KEV	Fix
CVE-2023-1389	High	8.8	100%	KEV	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2012-1823	Critical	9.8	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.