SARA / Free Tools / CVE / CVE-2024-3911

CVE-2024-3911 — An unauthenticated remote attacker can deceive users into performing unintended

An unauthenticated remote attacker can deceive users into performing unintended actions due to improper restriction of rendered UI layers or frames.

CVSS

6.5 MEDIUM

EPSS

11.00% (top 70.30%)

CWE

CWE-1021

Published

2024-04-23T12:14:29.188Z

Last modified

2025-08-27T21:23:00.831Z

CVSS vector

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

01What is this vulnerability?

An unauthenticated remote attacker can deceive users into performing unintended actions due to improper restriction of rendered UI layers or frames.

Vendor	Product	Versions
Welotec	SMART EMS	0
Welotec	VPN Security Suite	0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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