CVE-2020-8090

Name: CVE-2020-8090
Creator: NVD / NIST
Published: 2020-01-27T22:15:11.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-8090 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Username field in the Storage Service settings of A1 WLAN Box ADB VV2220v2 devices allows stored XSS (after a successful Administrator login).. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

The Username field in the Storage Service settings of A1 WLAN Box ADB VV2220v2 devices allows stored XSS (after a successful Administrator login).

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
A1	Wlan Box Adb Vv2220 Firmware	All versions

References

https://sku11army.blogspot.com/2020/01/a1-modem-wlan-box-adb-vv2220.htmlExploit, Third Party Advisory
https://sku11army.blogspot.com/2020/01/a1-modem-wlan-box-adb-vv2220.htmlExploit, Third Party Advisory

Timeline

Published: Jan 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8090?

The Username field in the Storage Service settings of A1 WLAN Box ADB VV2220v2 devices allows stored XSS (after a successful Administrator login).

How severe is CVE-2020-8090?

CVE-2020-8090 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8090?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8090?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST