Vulnerability identifier: #VU46654

Vulnerability risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13499

CWE-ID: CWE-89

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Enterprise Data Management Web
Server applications / SCADA systems

Vendor: AVEVA Software, LLC.

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in "InstancePath" parameter in CHaD.asmx. A remote authenticated attacker on the local network can send a specially crafted SOAP web request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Enterprise Data Management Web: 2017 - 2019

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-254-01
http://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2020-001.pdf
http://talosintelligence.com/vulnerability_reports/TALOS-2020-1106

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.