CVE-2024-5420: SEH Computertechnik utnserver Pro · XSS or 'Cross-site Scripting'
Affects SEH Computertechnik utnserver ProSource CVE Database V5
Not known to be exploited · public detection template (Nuclei) · CVSS 8.3 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 5.5% chance of exploitation in 30 days – higher than 92% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:H/SC:N/SI:N/SA:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Jun 2024
Detectable: evidence found.
nuclei template: SEH utnserver Pro/ProMAX/INU-100 20.1.22 - Cross-Site Scripting
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SEH Computertechnik utnserver Pro | Affected
| Fixed in– |
AI-suggested
- Monitor SEH Computertechnik communications closely for official patches and apply them immediately upon release.
- Implement strict input validation and output encoding on all web interfaces to prevent injection of malicious scripts.
- Restrict access to the utnserver Pro and related web interfaces using network segmentation, VPNs, and strong authentication mechanisms to limit exposure.
- Employ Web Application Firewalls (WAFs) with custom rules to detect and block XSS payloads targeting these interfaces.
- Conduct user awareness training to reduce the risk of social engineering attacks that could trigger exploitation.
- Regularly audit and monitor logs for unusual activities indicative of exploitation attempts.
- Consider disabling or limiting web interface functionalities that are not essential to reduce the attack surface.
- Use Content Security Policy (CSP) headers to mitigate the impact of potential XSS attacks by restricting script execution sources.
Description
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.