CVSS v3
8.8
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This affects an unknown part of the file /Tool/uploadfile.php. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-241641 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Technical details
- Published
- 2023-10-10
Frequently asked questions
What is CVE-2023-5489?
A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This affects an unknown part of the file /Tool/uploadfile.php. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-241641 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Is CVE-2023-5489 actively exploited?
Active exploitation of CVE-2023-5489 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-5489?
CVE-2023-5489 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2023-5489 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2023 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).