How severe is CVE-2025-27389?

CVE-2025-27389 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2025-27389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27389 have an EU (EUVD) identifier?

Yes. CVE-2025-27389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201354.

When was CVE-2025-27389 published?

CVE-2025-27389 was published on 2025-12-05 and last updated on 2026-06-17.

CVE-2025-27389

CVE-2025-27389 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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-290.

Key facts

Severity: Medium (CVSS 4.0 base score 5.1)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201354
Weakness: CWE-290
Published: 2025-12-05
Last modified: 2026-06-17

Description

A flaw exists in the verification of application installation sources within ColorOS. Under specific conditions, this issue may cause the risk detection mechanism to fail, which could allow malicious applications to be installed without proper warning.

Frequently asked questions

What is CVE-2025-27389?: A flaw exists in the verification of application installation sources within ColorOS. Under specific conditions, this issue may cause the risk detection mechanism to fail, which could allow malicious applications to be installed without proper warning.
How severe is CVE-2025-27389?: CVE-2025-27389 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2025-27389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-27389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27389 have an EU (EUVD) identifier?: Yes. CVE-2025-27389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201354.
When was CVE-2025-27389 published?: CVE-2025-27389 was published on 2025-12-05 and last updated on 2026-06-17.

References

https://security.oppo.com/en/noticeDetail?notice_only_key=NOTICE-1996493715665068032

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