CVE-2023-5347
CVSS v3
9.1
CRITICAL
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.
Technical details
- Published
- 2024-01-09
Frequently asked questions
What is CVE-2023-5347?
An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.
Is CVE-2023-5347 actively exploited?
Active exploitation of CVE-2023-5347 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-5347?
CVE-2023-5347 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2023-5347 affecting your environment?
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