#VU25758 Improper access control in ValveLink


Published: 2020-03-04

Vulnerability identifier: #VU25758

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-6971

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ValveLink
Server applications / SCADA systems

Vendor: Emerson

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to insecure configuration parameters. A local user can bypass implemented security restrictions, gain elevated privileges and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ValveLink: v12.0.264 - v13.4.118


External links
http://ics-cert.us-cert.gov/advisories/icsa-20-063-01


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability