Buffer overflow in Eyemaxsystems Nvclient
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Eyemaxsystems Nvclient — versions 5.0
- Neonguvenlik Nvclient — versions 5.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51700 (Exploit, Third Party Advisory, exploit)
- download.eyemaxdvr.com/DVST ST SERIES/CMS/Video Surveillance Management Softwar… (Product, product)
- www.vulncheck.com/advisories/nvclient-stack-buffer-overflow-vulnerability-via-u… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53879?
- CVE-2023-53879 is a medium-severity vulnerability in Eyemaxsystems Nvclient, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2025-12-15.
- How severe is CVE-2023-53879?
- Medium severity. CVSS v3 base score is 5.5 out of 10.