Vulnerability identifier: #VU24775

Vulnerability risk: Low

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-8090

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WLAN Box ADB VV2220v2
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: A1 Telekom Austria Group

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 in the Username field in the Storage Service settings. A remote administrator can permanently inject 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.

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

Vulnerable software versions

WLAN Box ADB VV2220v2: All versions

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External links
http://sku11army.blogspot.com/2020/01/a1-modem-wlan-box-adb-vv2220.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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