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Fencer Vulns
high 8.3

CVE-2024-5420 json

Stored Cross-Site Scripting in SEH Computertechnik utnserver Pro

published 2024-06-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-46642

cvss
8.3
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known, plus a Nuclei check

Summary

Missing input validation in the SEH Computertechnik utnserver Pro, SEH Computertechnik utnserver ProMAX, SEH Computertechnik INU-100 web-interface allows stored Cross-Site Scripting (XSS)..This issue affects utnserver Pro, utnserver ProMAX, INU-100 version 20.1.22 and below.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

5.50% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template SEH utnserver Pro/ProMAX/INU-100 20.1.22 - Cross-Site Scripting nuclei detection template

CVSS scores

assigned by version score vector
CNA 4.0 8.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:H/SC:N/SI:N/SA:H
CNA 4.0 8.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • SEH Computertechnik utnserver Pro
  • SEH Computertechnik utnserver ProMAX
  • SEH Computertechnik INU-100
  • seh utnserver_pro
  • seh utnserver_promax
  • seh inu-100

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.