#VU52201 Incorrect permission assignment for critical resource in WebAccess/SCADA


Published: 2021-04-14

Vulnerability identifier: #VU52201

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22669

CWE-ID: CWE-732

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WebAccess/SCADA
Server applications / SCADA systems

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incorrect permission assignment on the "Project Management" page. A remote authenticated attacker can update an administrator’s password and gain elevated privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WebAccess/SCADA: 9.0.1


External links
http://ics-cert.us-cert.gov/advisories/icsa-21-103-02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability