CVE-2021-4254

Name: CVE-2021-4254
Creator: NVD / NIST
Published: 2022-12-18T22:15:10.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2021-4254 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability has been found in ctrlo lenio and classified as problematic. Affected by this vulnerability is an unknown functionality of the file views/layouts/main.tt of the component Notice Handler. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in ctrlo lenio and classified as problematic. Affected by this vulnerability is an unknown functionality of the file views/layouts/main.tt of the component Notice Handler. The manipulation of the argument notice.notice.text leads to cross site scripting. The attack can be launched remotely. The name of the patch is aa300555343c1c081951fcb68bfb6852fbba7451. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216211.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.39%

30.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-707

Affected Software

Vendor	Product	Versions
Ctrlo	Lenio	< 2021-02-08

References

https://github.com/ctrlo/lenio/commit/aa300555343c1c081951fcb68bfb6852fbba7451Patch, Third Party Advisory
https://vuldb.com/?id.216211Third Party Advisory
https://github.com/ctrlo/lenio/commit/aa300555343c1c081951fcb68bfb6852fbba7451Patch, Third Party Advisory
https://vuldb.com/?id.216211Third Party Advisory

Timeline

Published: Dec 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4254?

How severe is CVE-2021-4254?

CVE-2021-4254 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4254?

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-2021-4254?

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

Scan your code now

Source: NVD / NIST