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Fencer Vulns
critical 9.6

CVE-2023-28347 json

An issue was discovered in Faronics Insight 10.0.19045 on Windows.

published 2023-05-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32045

cvss
9.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

An issue was discovered in Faronics Insight 10.0.19045 on Windows. It is possible for an attacker to create a proof-of-concept script that functions similarly to a Student Console, providing unauthenticated attackers with the ability to exploit XSS vulnerabilities within the Teacher Console application and achieve remote code execution as NT AUTHORITY/SYSTEM on all connected Student Consoles and the Teacher Console in a Zero Click manner.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

2.77% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • research.nccgroup.com https://research.nccgroup.com/2023/05/30/technical-advisory-multiple-vulnerabilities-in-faronics-insight/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.