#VU48962 Write-what-where Condition in EcoStruxure Control Expert


Published: 2020-12-11 | Updated: 2020-12-14

Vulnerability identifier: #VU48962

Vulnerability risk: High

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-7560

CWE-ID: CWE-123

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EcoStruxure Control Expert
Server applications / SCADA systems

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a write-what-where condition in the APX project file processing functionality. A remote attacker can trick a victim to open a STA project archive containing a specially crafted APX project file and execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

EcoStruxure Control Expert: 14.1


External links
http://www.se.com/ww/en/download/document/SEVD-2020-343-01/
http://talosintelligence.com/vulnerability_reports/TALOS-2020-1144


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.


Latest bulletins with this vulnerability