#VU53342 Improper Restriction of Rendered UI Layers or Frames in Emerson products - CVE-2021-27467

Vulnerability identifier: #VU53342

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-27467

CWE-ID: CWE-1021

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Rosemount X-STREAM Gas Analyzer
Server applications / SCADA systems
X-STREAM enhanced XEGP
Server applications / SCADA systems
X-STREAM enhanced XEGK
Server applications / SCADA systems
X-STREAM enhanced XEFD
Server applications / SCADA systems
X-STREAM enhanced XEXF
Server applications / SCADA systems

Vendor: Emerson

Description

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

The vulnerability exists due to the affected product’s web interface allows an attacker to route click or keystroke to another page. A remote attacker can gain unauthorized access to sensitive information on the system.

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

Vulnerable software versions

Rosemount X-STREAM Gas Analyzer: All versions

X-STREAM enhanced XEGP: All versions

X-STREAM enhanced XEGK: All versions

X-STREAM enhanced XEFD: All versions

X-STREAM enhanced XEXF: All versions

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-138-01

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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.