Is CVE-2023-34980 in the CISA KEV catalog?

No. CVE-2023-34980 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-34980?

CVE-2023-34980 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2023-34980?

CVE-2023-34980 has an EPSS score of 0.88% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-34980?

Upgrade qts to 4.5.4.2627 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-34980

MEDIUM

5.9

CVSS v3

NVD

Description

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 4.5.4.2627 build 20231225 and later QuTS hero h4.5.4.2626 build 20231225 and later

CWE-78OS Command Injection

How to fix

Remediation Available

qtsNVD

Affected:>= 4.5.1, < 4.5.4.2627Fixed in:4.5.4.2627CVE-2023-34980derived from NVD

quts heroNVD

Affected:>= h4.5.0, < h4.5.4.2626Fixed in:h4.5.4.2626CVE-2023-34980derived 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 InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.88%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Vendor Advisory1

qnap.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

Embed a live status badge for CVE-2023-34980

Markdown

[![CVE-2023-34980](https://tridentstack.com/cve/badge/CVE-2023-34980.svg)](https://tridentstack.com/cve/CVE-2023-34980)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-34980"><img src="https://tridentstack.com/cve/badge/CVE-2023-34980.svg" alt="CVE-2023-34980"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-12-10.