How severe is CVE-2024-12838?

CVE-2024-12838 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-12838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-12838?

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

Does CVE-2024-12838 have an EU (EUVD) identifier?

Yes. CVE-2024-12838 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51139.

When was CVE-2024-12838 published?

CVE-2024-12838 was published on 2024-12-31 and last updated on 2026-06-17.

CVE-2024-12838

CVE-2024-12838 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. 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-302.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-51139
Weakness: CWE-302
Published: 2024-12-31
Last modified: 2026-06-17

Description

The passwordless login mechanism in CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability, allowing remote attackers with regular privileges to send a crafted request to switch to the identity of any user, including administrators.

Frequently asked questions

What is CVE-2024-12838?: The passwordless login mechanism in CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability, allowing remote attackers with regular privileges to send a crafted request to switch to the identity of any user, including administrators.
How severe is CVE-2024-12838?: CVE-2024-12838 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-12838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-12838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-12838 have an EU (EUVD) identifier?: Yes. CVE-2024-12838 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51139.
When was CVE-2024-12838 published?: CVE-2024-12838 was published on 2024-12-31 and last updated on 2026-06-17.

References

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