PT-2020-6829 · Unknown · C-Bus Toolkit

Rgod + 1 · Published 2020-12-22 · Updated 2022-11-18 · CVE-2021-22716

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions C-Bus Toolkit versions 1.15.9 and prior

Description A vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. This issue is related to incorrect permission assignment for critical resources, which may enable an attacker to elevate their privileges or execute arbitrary code using a specially crafted malicious file.

Recommendations For versions 1.15.9 and prior, update to a version that addresses the incorrect permission assignment issue to prevent potential privilege escalation and remote code execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

BDU:2023-00109

CVE-2021-22716

ZDI-21-562

Affected Products

C-Bus Toolkit

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-22716 · Security Note
• https://bdu.fstec.ru/vul/2023-00109 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-562 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22716 · Vendor Advisory
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2021-103-01_C-Bus_Toolkit_C-Gate_Server_Security_Notification.pdf · Note
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2021-103-01_C-Bus_Toolkit_C-Gate_Server_Security_Notification.pdf · Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-105-01 · Note