Insufficiently protected credentials in Schneider Electric products - CVE-2021-22778

Vulnerability identifier: #VU54862

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2021-22778

CWE-ID: CWE-522

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Schneider Electric

Affected software:
EcoStruxure Process Expert
SCADAPack RemoteConnect for x70
SCADAPack 470
SCADAPack 474
SCADAPack 570
SCADAPack 574
SCADAPack 575 RTUs
EcoStruxure Control Expert

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

The vulnerability exists due to insufficiently protected credentials. A remote attacker can use a specially crafted project file and read protected derived function blocks.

Install updates from vendor's website.

• https://ics-cert.us-cert.gov/advisories/icsa-21-194-02
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-01