CVE-2023-23356
CVE-2023-23356 is a medium-severity vulnerability in Qnap Qufirewall with a CVSS 3.x base score of 5.5. 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-78.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-27456
- Weakness: CWE-78
- Affected product: Qnap Qufirewall
- Published:
- Last modified:
Description
A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QuFirewall 2.3.3 ( 2023/03/27 ) and later and later
Frequently asked questions
- What is CVE-2023-23356?
- A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QuFirewall 2.3.3 ( 2023/03/27 ) and later and later
- How severe is CVE-2023-23356?
- CVE-2023-23356 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-23356 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-23356?
- CVE-2023-23356 affects Qnap Qufirewall. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-23356?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-23356 have an EU (EUVD) identifier?
- Yes. CVE-2023-23356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-27456.
- When was CVE-2023-23356 published?
- CVE-2023-23356 was published on 2024-12-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:qnap:qufirewall:*:*:*:*:*:*:*:*
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