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CVE-2020-17458

15
FAUCET Score

CVE-2020-17458 describes a post-authenticated stored Cross-Site Scripting (XSS) vulnerability in MultiUx version 3.1.12.0, specifically within the /multiux/SaveMailbox LastName field. This medium-severity vulnerability, rated 5.4 CVSS, requires prior authentication and user interaction to exploit, allowing an attacker to inject malicious scripts that could lead to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, nor are there public exploits available in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.12.0CPE matchmatch criteria
cpe:2.3:a:fabbricadigitale:multiux:3.1.12.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
46.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 79th percentile among its peer group of 15,224 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

fabbricadigitale.com / en/il-nuovo-aspetto-di-multiux
Vendor Advisory
gruppotim.it / redteam
Third Party Advisory