9.1

CVE-2023-5376: korenix jetnet_4508_firmware

CVSS: 9.1v3.1CriticalModified
Published 09-01-2024Last modified 08-10-2025
Open JSON

Vulnerability summary

CVE-2023-5376 is a critical (CVSS 9.1) vulnerability in korenix jetnet_4508_firmware. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.4% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference

Timeline

  1. 09-01-2024
    PublishedVulnerability first disclosed.
  2. 08-10-2025
    Last modifiedVulnerability information updated.

Description

An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.41% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (cyberdanube.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (seclists.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Korenix43 products

1 vendor · 43 products

References

4 links