CVE-2023-53879
CVE-2023-53879 is a medium-severity vulnerability in Eyemaxsystems Nvclient 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v4: 6.7
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-203410
- Weakness: CWE-787
- Affected product: Eyemaxsystems Nvclient
- Published:
- Last modified:
Description
NVClient 5.0 contains a stack buffer overflow vulnerability in the user configuration contact field that allows attackers to crash the application. Attackers can overwrite 846 bytes of memory by pasting a crafted payload into the contact box, causing a denial of service condition.
Frequently asked questions
- What is CVE-2023-53879?
- NVClient 5.0 contains a stack buffer overflow vulnerability in the user configuration contact field that allows attackers to crash the application. Attackers can overwrite 846 bytes of memory by pasting a crafted payload into the contact box, causing a denial of service condition.
- How severe is CVE-2023-53879?
- CVE-2023-53879 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-53879 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-53879?
- CVE-2023-53879 affects Eyemaxsystems Nvclient. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-53879?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-53879 have an EU (EUVD) identifier?
- Yes. CVE-2023-53879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203410.
- When was CVE-2023-53879 published?
- CVE-2023-53879 was published on 2025-12-15 and last updated on 2026-06-17.
References
- http://download.eyemaxdvr.com/DVST%20ST%20SERIES/CMS/Video%20Surveillance%20Management%20Software(V5.0).pdf
- https://www.exploit-db.com/exploits/51700
- https://www.vulncheck.com/advisories/nvclient-stack-buffer-overflow-vulnerability-via-user-configuration
Affected products (1)
- cpe:2.3:a:eyemaxsystems:nvclient:5.0:*:*:*:*:*:*:*
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