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CVE-2023-53879

20
FAUCET Score

CVE-2023-53879 is a stack buffer overflow vulnerability in NVClient 5.0, specifically within the user configuration contact field of the eyemaxsystems nvclient. An attacker can trigger a denial of service by pasting a crafted payload of 846 bytes, causing the application to crash. This vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity and high impact on availability, but no impact on confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:eyemaxsystems:nvclient:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 46th percentile among its peer group of 15,938 CVEs.

Social Chatter

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

download.eyemaxdvr.com / DVST%20ST%20SERIES/CMS/Video%20Surveillance%20Management%20Software(V5.0).pdf
Product
exploit-db.com / exploits/51700
ExploitThird Party Advisory
vulncheck.com / advisories/nvclient-stack-buffer-overflow-vulnerability-via-user-configuration
Third Party Advisory