Cyber Resilience

CVE-2023-2521

Low

Published: 04 May 2023

Published
04 May 2023
Modified
29 January 2025
KEV Added
Patch
CVSS Score v3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0019 41.3th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-2521 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Ez-Net Next-7004N Firmware. Its CVSS base score is 3.5 (Low).

Operationally, ranked at the 41.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability was found in NEXTU NEXT-7004N 3.0.1. It has been classified as problematic. Affected is an unknown function of the file /boafrm/formFilter of the component POST Request Handler. The manipulation of the argument url with the input <svg onload=alert(1337)>…

more

leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-228012. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ez-net
next-7004n firmware
3.0.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References