What is CVE-2023-40143?

CVE-2023-40143 is a medium-severity vulnerability in Westermo L206-F2g, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-02-06.

How severe is CVE-2023-40143?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Westermo L206-F2g

CVE-2023-40143

An attacker with access to the Westermo Lynx web application that has the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "forward.0.domain" parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (21.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Westermo L206-f2g
Westermo L206-f2g_firmware — versions 4.24
Westermo Lynx — versions L206-F2G1, 4.24

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40143?: CVE-2023-40143 is a medium-severity vulnerability in Westermo L206-F2g, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-02-06.
How severe is CVE-2023-40143?: Medium severity. CVSS v3 base score is 5.4 out of 10.