CVE-2023-53879

Name: CVE-2023-53879
Creator: NVD / NIST
Published: 2025-12-15T21:15:50.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2023-53879 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

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

CVSS 4.0

6.7/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.18%

8.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Eyemaxsystems	Nvclient	5.0

References

http://download.eyemaxdvr.com/DVST%20ST%20SERIES/CMS/Video%20Surveillance%20Management%20Software(V5.0).pdfProduct
https://www.exploit-db.com/exploits/51700Exploit, Third Party Advisory
https://www.vulncheck.com/advisories/nvclient-stack-buffer-overflow-vulnerability-via-user-configurationThird Party Advisory
http://download.eyemaxdvr.com/DVST%20ST%20SERIES/CMS/Video%20Surveillance%20Management%20Software(V5.0).pdfProduct
https://www.exploit-db.com/exploits/51700Exploit, Third Party Advisory

Timeline

Published: Dec 15, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-53879?

How severe is CVE-2023-53879?

CVE-2023-53879 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53879?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53879?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST