How severe is CVE-2025-54120?

CVE-2025-54120 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2025-54120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54120?

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-2025-54120 have an EU (EUVD) identifier?

Yes. CVE-2025-54120 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22396.

When was CVE-2025-54120 published?

CVE-2025-54120 was published on 2025-07-23 and last updated on 2026-06-17.

CVE-2025-54120

CVE-2025-54120 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-532.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22396
Weakness: CWE-532
Published: 2025-07-23
Last modified: 2026-06-17

Description

PCL (Plain Craft Launcher) Community Edition is a Minecraft launcher. In PCL CE versions 2.12.0-beta.5 to 2.12.0-beta.9, the login credentials used during the third-party login process are accidentally recorded in the local log file. Although the log file is not automatically uploaded or shared, if the user manually sends the log file, there is a risk of leakage. This is fixed in version 2.12.0-beta.10.

Frequently asked questions

What is CVE-2025-54120?: PCL (Plain Craft Launcher) Community Edition is a Minecraft launcher. In PCL CE versions 2.12.0-beta.5 to 2.12.0-beta.9, the login credentials used during the third-party login process are accidentally recorded in the local log file. Although the log file is not automatically uploaded or shared, if the user manually sends the log file, there is a risk of leakage. This is fixed in version 2.12.0-beta.10.
How severe is CVE-2025-54120?: CVE-2025-54120 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-54120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54120?: 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-2025-54120 have an EU (EUVD) identifier?: Yes. CVE-2025-54120 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22396.
When was CVE-2025-54120 published?: CVE-2025-54120 was published on 2025-07-23 and last updated on 2026-06-17.

References

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