XSS in Advantech Eki-1521

CVE-2023-4202

Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the device name field of the web-interface.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-4202: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4202?
CVE-2023-4202 is a critical-severity vulnerability in Advantech Eki-1521, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-08-08.
How severe is CVE-2023-4202?
Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2023-4202 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.