CVE-2020-17458

Name: CVE-2020-17458
Creator: NVD / NIST
Published: 2020-09-02T14:15:11.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2020-17458 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A post-authenticated stored XSS was found in MultiUx v.3.1.12.0 via the /multiux/SaveMailbox LastName field.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

A post-authenticated stored XSS was found in MultiUx v.3.1.12.0 via the /multiux/SaveMailbox LastName field.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.64%

45.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fabbricadigitale	Multiux	3.1.12.0

References

https://www.fabbricadigitale.com/en/il-nuovo-aspetto-di-multiux/Vendor Advisory
https://www.gruppotim.it/redteamThird Party Advisory
https://www.fabbricadigitale.com/en/il-nuovo-aspetto-di-multiux/Vendor Advisory
https://www.gruppotim.it/redteamThird Party Advisory

Timeline

Published: Sep 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17458?

A post-authenticated stored XSS was found in MultiUx v.3.1.12.0 via the /multiux/SaveMailbox LastName field.

How severe is CVE-2020-17458?

CVE-2020-17458 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17458?

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-2020-17458?

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

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Source: NVD / NIST