#VU49495 Arbitrary file upload in EcoStruxure Power Build - Rapsody - CVE-2021-22697

Vulnerability identifier: #VU49495

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-2021-22697

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EcoStruxure Power Build - Rapsody
Server applications / SCADA systems

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious SSD file and execute it on the server.

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

Vulnerable software versions

EcoStruxure Power Build - Rapsody: 2.1.13

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-012-01
https://www.se.com/ww/en/download/document/SEVD-2021-012-02/

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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.