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CVE-2023-6574— Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload

Quick assessment

Affected
Byzoro Smart S20
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Beijing Baichuo Smart S20是中国北京百卓（Beijing Baichuo）公司的一款上网行为管理设备。 Beijing Byzoro Smart S20存在代码问题漏洞，该漏洞源于文件/sysmanage/updateos.php的参数1_file_upload会导致不受限制的上传。

CVSS 6.3 · Medium EPSS 1.58% · P75

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2023-6574

Vulnerability Information
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Vulnerability Title
Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Byzoro Smart S20 up to 20231120 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php of the component HTTP POST Request Handler. 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. VDB-247154 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Beijing Byzoro Smart S20 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Beijing Baichuo Smart S20是中国北京百卓（Beijing Baichuo）公司的一款上网行为管理设备。 Beijing Byzoro Smart S20存在代码问题漏洞，该漏洞源于文件/sysmanage/updateos.php的参数1_file_upload会导致不受限制的上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Byzoro Smart S20 20231120 -

II. Public POCs for CVE-2023-6574

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III. Intelligence Information for CVE-2023-6574

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Vendor Advisories for CVE-2023-6574 (3)

Other References for CVE-2023-6574 (1)

Same Patch Batch · Byzoro · 2023-12-07 · 4 CVEs total

CVE-2023-6575 6.3 MEDIUM Byzoro S210 HTTP POST Request repair.php sql injection
CVE-2023-6576 6.3 MEDIUM Byzoro S210 HTTP POST Request uploadfile.php unrestricted upload
CVE-2023-6577 4.3 MEDIUM Byzoro PatrolFlow 2530Pro mailsendview.php path traversal

IV. Related Vulnerabilities

Same vendor: Byzoro
Same weakness: CWE-434

V. Comments for CVE-2023-6574

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