Vulnerability record · CVE-2020-23055 · published 22 October 2021

CVE-2020-23055: Lancom-systems lcos cross-site scripting vulnerability

Lancom Systems · Lcos

ANCOM WLAN Controller (Wireless Series & Hotspot) WLC-1000 & WLC-4006 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities in the /authen/start/ module via the userid and password parameters.

5.4 CVSS 3.1 Medium EPSS 0.57% · top 54.8% CWE-79 · Cross-site scripting

5.4CVSS 3.1 base score, v2 3.5

0.57%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Lcos Lancom Systems

References

Link	Tags
https://www.vulnerability-lab.com/get_content.php?id=2196	ExploitThird Party Advisory
https://www.vulnerability-lab.com/get_content.php?id=2196	ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-23055), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.