#VU54862 Insufficiently protected credentials in Schneider Electric products - CVE-2021-22778

Vulnerability identifier: #VU54862

Vulnerability risk: High

CVSSv4.0: 6.1 [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: Network

Exploit availability: No

Vulnerable software:
EcoStruxure Process Expert
Server applications / SCADA systems
SCADAPack RemoteConnect for x70
Server applications / SCADA systems
SCADAPack 470
Server applications / SCADA systems
SCADAPack 474
Server applications / SCADA systems
SCADAPack 570
Server applications / SCADA systems
SCADAPack 574
Server applications / SCADA systems
SCADAPack 575 RTUs
Server applications / SCADA systems
EcoStruxure Control Expert
Server applications / SCADA systems

Vendor: Schneider Electric

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

EcoStruxure Process Expert: All versions

SCADAPack RemoteConnect for x70: All versions

SCADAPack 470: All versions

SCADAPack 474: All versions

SCADAPack 570: All versions

SCADAPack 574: All versions

SCADAPack 575 RTUs: All versions

EcoStruxure Control Expert: before 15.0

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

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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.