CVE-2023-4546Public exploit

Authenticated information disclosure via unprotected licence.php endpoint

Published Aug 26, 2023 · Updated Aug 2, 2024

Improper access control in Byzoro Smart S85F Management Platform 20230816 allows remote authenticated users to access licence.php. The /sysmanage/licence.php endpoint accepts a direct crafted request without enforcing authorization for its database-management operations. Adjacent network access and low-privilege authentication are required; successful requests expose information, while published details do not identify the specific data returned.

CVSS severity3.5
Low
EPSS probability1.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Byzoro Smart S85F Management Platform 20230816 allows remote authenticated users to access licence.php. The /sysmanage/licence.php endpoint accepts a direct crafted request without enforcing authorization for its database-management operations. Adjacent network access and low-privilege authentication are required; successful requests expose information, while published details do not identify the specific data returned.

The record

CVE
CVE-2023-4546
Published
Aug 26, 2023
Updated
Aug 2, 2024
Vendor
Byzoro
Product
Smart S85F Management Platform
Classifications
CWE-284
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=20230816

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Byzoro · Smart S85F Management Platformversion=20230816

Published CVSS scores

3.5VulDB CNACVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.7VulDB CNAAV:A/AC:L/Au:S/C:P/I:N/A:N
3.5VulDB CNACVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control

Public exploit references

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Technologies

Your stack

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Your stack

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