CVE-2020-23055

Name: CVE-2020-23055
Creator: NVD / NIST
Published: 2021-10-22T20:15:10.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2020-23055 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.55%

41.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Lancom-Systems	Lcos	10.12	Su14
Lancom-Systems	Lcos	10.20	Su9
Lancom-Systems	Lcos	10.32	Ru8

References

https://www.vulnerability-lab.com/get_content.php?id=2196Exploit, Third Party Advisory
https://www.vulnerability-lab.com/get_content.php?id=2196Exploit, Third Party Advisory

Timeline

Published: Oct 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23055?

How severe is CVE-2020-23055?

CVE-2020-23055 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23055?

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-2020-23055?

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

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Source: NVD / NIST