How severe is CVE-2024-48849?

CVE-2024-48849 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2024-48849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-48849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-48849 have an EU (EUVD) identifier?

Yes. CVE-2024-48849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43246.

When was CVE-2024-48849 published?

CVE-2024-48849 was published on 2025-01-29 and last updated on 2026-06-17.

CVE-2024-48849

CVE-2024-48849 is a critical-severity vulnerability with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1385.

Key facts

Severity: Critical (CVSS 3.x base score 9.4)
CVSS v4: 8.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-43246
Weakness: CWE-1385
Published: 2025-01-29
Last modified: 2026-06-17

Description

Missing Origin Validation in WebSockets vulnerability in FLXEON. Session management was not sufficient to prevent unauthorized HTTPS requests. This issue affects FLXEON: through <= 9.3.4.

Frequently asked questions

What is CVE-2024-48849?: Missing Origin Validation in WebSockets vulnerability in FLXEON. Session management was not sufficient to prevent unauthorized HTTPS requests. This issue affects FLXEON: through <= 9.3.4.
How severe is CVE-2024-48849?: CVE-2024-48849 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2024-48849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-48849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-48849 have an EU (EUVD) identifier?: Yes. CVE-2024-48849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43246.
When was CVE-2024-48849 published?: CVE-2024-48849 was published on 2025-01-29 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=9AKK108470A5684&LanguageCode=en&DocumentPartId=PDF&Action=Launch

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