#VU46987 Cross-site scripting in Reason S20 Ethernet Switch - CVE-2020-16242

Vulnerability identifier: #VU46987

Vulnerability risk: Low

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

CVE-ID: CVE-2020-16242

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Reason S20 Ethernet Switch
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: General Electric Company

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

This vulnerability affects the following versions of Reason S20 managed Ethernet switches:

• S2020, All firmware versions prior to 07A06
• S2024, All firmware versions prior to 07A06

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Reason S20 Ethernet Switch: before 07A06

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-266-02

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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.