#VU29306 XML External Entity injection in FactoryTalk Services Platform - CVE-2020-14478

Vulnerability identifier: #VU29306

Vulnerability risk: Medium

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-14478

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FactoryTalk Services Platform
Client/Desktop applications / Other client software

Vendor: Rockwell Automation

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system, initiate requests to external systems or cause a denial-of-service condition.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

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

Vulnerable software versions

FactoryTalk Services Platform: 6.11.00

---

External links
https://ics-cert.us-cert.gov/advisories/icsa-20-177-02

---

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.