// For flags

CVE-2023-6574

Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Una vulnerabilidad fue encontrada en Beijing Baichuo Smart S20 hasta 20231120 y clasificada como crítica. Una función desconocida del archivo /sysmanage/updateos.php del componente HTTP POST Request Handler es afectada por esta vulnerabilidad. La manipulación del argumento 1_file_upload conduce a una carga sin restricciones. El ataque puede lanzarse de forma remota. El exploit ha sido divulgado al público y puede utilizarse. VDB-247154 es el identificador asignado a esta vulnerabilidad. NOTA: Se contactó primeramente con el proveedor sobre esta divulgación, pero no respondió de ninguna manera.

Eine Schwachstelle wurde in Byzoro Smart S20 bis 20231120 gefunden. Sie wurde als kritisch eingestuft. Hierbei geht es um eine nicht exakt ausgemachte Funktion der Datei /sysmanage/updateos.php der Komponente HTTP POST Request Handler. Mittels Manipulieren des Arguments 1_file_upload mit unbekannten Daten kann eine unrestricted upload-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

*Credits: Mirai
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-12-07 CVE Reserved
  • 2023-12-07 CVE Published
  • 2024-04-10 EPSS Updated
  • 2024-08-02 CVE Updated
  • 2024-08-02 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-434: Unrestricted Upload of File with Dangerous Type
CAPEC
References (3)
URL Tag Source
https://vuldb.com/?id.247154 Technical Description
https://vuldb.com/?submit.241172 Third Party Advisory
URL Date SRC
https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md 2024-08-02
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Byzoro
Search vendor "Byzoro"
 Smart S20 Firmware
Search vendor "Byzoro" for product "Smart S20 Firmware"
 <= 2023-11-20
Search vendor "Byzoro" for product "Smart S20 Firmware" and version " <= 2023-11-20"
-
Affected
in Byzoro
Search vendor "Byzoro"
 Smart S20
Search vendor "Byzoro" for product "Smart S20"
--
Safe