Missing Authentication for Critical Function in Schneider Electric C-Bus Toolkit



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22784
CWE-ID CWE-306
Exploitation vector Network
Public exploit N/A
Vulnerable software
 C-Bus Toolkit
Other software / Other software solutions

Vendor Schneider Electric

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Missing Authentication for Critical Function

EUVDB-ID: #VU54861

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-22784

CWE-ID: CWE-306 - Missing Authentication for Critical Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper authentication. A remote attacker can use a specially crafted webpage that can enable remote access to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

C-Bus Toolkit: - - 1.15.8

CPE2.3 External links

https://ics-cert.us-cert.gov/advisories/icsa-21-194-01
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-04


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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