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 Subscribe |
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
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22784
CWE-ID:
CWE-306 - Missing Authentication for Critical Function
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsC-Bus Toolkit: 1.15.8
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-21-194-01
http://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.
