PT-2021-7826 · Unknown · C-Bus Toolkit+1

Published 2021-04-13 · Updated 2022-02-23 · CVE-2021-22796

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions C-Bus Toolkit versions 1.15.9 and prior C-Gate Server versions 2.11.7 and prior

Description A vulnerability exists that could allow remote code execution when a malicious file is uploaded, due to improper authentication. This issue is related to weaknesses in the authentication procedure, which can be exploited by an attacker to execute arbitrary code.

Recommendations For C-Bus Toolkit versions 1.15.9 and prior, update to a version later than 1.15.9 to resolve the issue. For C-Gate Server versions 2.11.7 and prior, update to a version later than 2.11.7 to resolve the issue. As a temporary workaround, consider restricting file uploads to minimize the risk of exploitation.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2023-03404

CVE-2021-22796

Affected Products

C-Bus Toolkit

C-Gate Server

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-22796 · Security Note
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22796 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03404 · Security Note
• https://vuldb.com/es/?id.192924 · Note
• https://t.me/cibsecurity/37327 · Telegram Post