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Vulnerabilities

Vulnerability · CVE-2024-9684

FreyrSCADA/IEC-60870-5-104 server v21.06.008 allows remote attackers to cause a denial of service by sending specific message sequences.

Published Dec 23, 2025 · catalog updated Dec 23, 2025 · FreyrSCADA IEC-60870-5-104

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2024-9684. EPSS is 0.40%. Act only if a listed version of FreyrSCADA IEC-60870-5-104 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.40%
Remediation
Version ranges on file
Affected products
vendor FreyrSCADA IEC-60870-5-104 0 <*

FreyrSCADA/IEC-60870-5-104 server v21.06.008 allows remote attackers to cause a denial of service by sending specific message sequences.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor FreyrSCADA IEC-60870-5-104 0 <*0 <*

How to fix CVE-2024-9684

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2024-9684. EPSS is 0.40%. Act only if a listed version of FreyrSCADA IEC-60870-5-104 is installed.

Which versions are affected?

Compare what you have installed with FreyrSCADA IEC-60870-5-104 0 <* 0 <*. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 23, 2025 · EUVD

    Detected

    FreyrSCADA/IEC-60870-5-104 server v21.06.008 allows remote attackers to cause a denial of service by sending specific message sequences.

  2. Dec 23, 2025 · EUVD

    Updated

    FreyrSCADA/IEC-60870-5-104 server v21.06.008 allows remote attackers to cause a denial of service by sending specific message sequences.

Sources

  • CVE.orgVulnerability recordCVE-2024-9684

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-9684

    30-day exploitation probability 0.40%

    first.org
  • EUVDVulnerability recordEUVD-2025-204800

    FreyrSCADA/IEC-60870-5-104 server v21.06.008 allows remote attackers to cause a denial of service by sending specific message sequences.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026