CVE-2023-4739 : A vulnerability, which was classified as critical, has been found in Byzoro Smar

A vulnerability, which was classified as critical, has been found in Byzoro Smart S85F Management Platform up to 20230820. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php. The manipulation of the argument 1_file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-238628. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Published 2023-09-03 20:15:14

Updated 2024-05-17 02:31:45

Source VulDB

View at NVD, CVE.org

Products affected by CVE-2023-4739

Byzoro » Smart S85f Firmware
Versions up to, including, (<=) 20230820
cpe:2.3:o:byzoro:smart_s85f_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Byzoro » Smart S85f » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2023-4739

EPSS FAQ

1.94%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 89 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-4739

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	VulDB
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	2.8	3.4	VulDB
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low
6.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	2.8	3.4	VulDB	2024-02-29
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2023-4739

CWE-434 Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Assigned by: cna@vuldb.com (Primary)

References for CVE-2023-4739

https://vuldb.com/?id.238628

CVE-2023-4739: Beijing Baichuo Smart S85F Management Platform updateos.php unrestricted upload
Permissions Required;Third Party Advisory;VDB Entry
https://github.com/Meizhi-hua/cve/blob/main/upload_file.md

cve/upload_file.md at main · Meizhi-hua/cve · GitHub
Exploit
https://vuldb.com/?submit.197572

Submit #197572: A file upload vulnerability exists on the Smart S85F management platform
https://vuldb.com/?ctiid.238628

CVE-2023-4739: Beijing Baichuo Smart S85F Management Platform updateos.php unrestricted upload
Permissions Required;Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2023-4739

Products affected by CVE-2023-4739

Exploit prediction scoring system (EPSS) score for CVE-2023-4739

CVSS scores for CVE-2023-4739

CWE ids for CVE-2023-4739

References for CVE-2023-4739