#VU57334 Arbitrary file upload in IGSS Data Collector - CVE-2021-22803

Vulnerability identifier: #VU57334

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-22803

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IGSS Data Collector
Server applications / Other server solutions

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 within folders in context of the DC module. A remote attacker can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IGSS Data Collector: 15.0.0.21243

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-285-03
https://www.zerodayinitiative.com/advisories/ZDI-21-1151/

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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.