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CVE-2023-34979

21
FAUCET Score

CVE-2023-34979 is an OS command injection vulnerability affecting QNAP QTS and QuTS hero operating systems. This high-severity flaw (CVSS 7.2) allows authenticated administrators to execute arbitrary commands remotely over a network, potentially leading to full compromise of the affected system. While no active exploitation, public exploit code, or significant community discussion has been observed, QNAP has released patches (QTS 4.5.4.2790 build 20240605+ and QuTS hero h4.5.4.2790 build 20240606+) to address this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.5.4.1715CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.5.4.1715:build_20210630:*:*:*:*:*:*
4.5.4.1723CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.5.4.1723:build_20210708:*:*:*:*:*:*
4.5.4.1741CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.5.4.1741:build_20210726:*:*:*:*:*:*
4.5.4.1787CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.5.4.1787:build_20210910:*:*:*:*:*:*
4.5.4.1800CPE matchmatch criteria
cpe:2.3:o:qnap:qts:4.5.4.1800:build_20210923:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.6MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.3
Impact Score
3.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 50th percentile among its peer group of 5,538 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

qnap.com / en/security-advisory/qsa-24-32
Vendor Advisory