TI-2023-05056 Aliases CVE-2023-5491 GHSA-mg88-vr9f-rg8p

Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform updatelib.php unrestricted upload

HIGH 71CWE-434Published 2023-10-10 · Updated 2025-06-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

A vulnerability, which was classified as critical, has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This issue affects some unknown processing of the file /sysmanage/updatelib.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-241643. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01967 80th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Byzoro	Smart S45F Multi-Service Secure Gateway Intelligent Management Platform	20230928	—	No fix listed	CNA

Smart S45F Multi-Service Secure Gateway Intelligent Management Platform VendorByzoro Affected 20230928 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:byzoro:smart_s45f_firmware::::::::	up to 20230928	Vulnerable	Byzoro
cpe:2.3:h:byzoro:smart_s45f:-:::::::*	not specified by NVD	Running on	Byzoro

cpe:2.3:o:byzoro:smart_s45f_firmware:*:*:*:*:*:*:*:* Versions up to 20230928 Vulnerable ·Byzoro
cpe:2.3:h:byzoro:smart_s45f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Byzoro

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-5491
2026-10-03 Alias added: GHSA-mg88-vr9f-rg8p

References

Exploit 1

https://github.com/llixixi/cve/blob/main/s45_upload_changelogo.md

TI-2023-04487 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform importexport.php os command injection CVSS 3.1CRITICAL 9.8
TI-2023-05054 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform uploadfile.php unrestricted upload CVSS 3.1HIGH 8.8
TI-2023-05059 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform download.php os command injection CVSS 3.1HIGH 8.8
TI-2023-04373 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform importexport.php sql injection CVSS 3.1CRITICAL 9.8
TI-2023-05058 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform web.php unrestricted upload CVSS 3.1HIGH 8.8
TI-2023-05057 Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform licence.php unrestricted upload CVSS 3.1HIGH 8.8

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences