Vulnerability identifier: #VU12759
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-269
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Advantech WebAccess
Server applications /
SCADA systems
WebAccess Dashboard
Server applications /
SCADA systems
WebAccess Scada Node
Server applications /
SCADA systems
WebAccess/NMS
Server applications /
Remote management servers, RDP, SSH
Vendor: Advantech Co., Ltd
Description
The vulnerability allows a remote authenticated attacker to write arbitrary files on the target system.
The weakness exists due to improper privilege management. A remote attacker can modify files when read access should only be given to the user.
Mitigation
Update WebAccess Scada Note to version 8.3.1.
Vulnerable software versions
Advantech WebAccess: 8.2_20170817 - 8.3
WebAccess Dashboard: 2.0.15
WebAccess Scada Node: 8.3.0
WebAccess/NMS: 2.0.3
External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-135-01
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.