How severe is CVE-2025-43977?

CVE-2025-43977 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-43977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43977?

CVE-2025-43977 affects Sktelecom Com.skt.prod.dialer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43977?

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

Does CVE-2025-43977 have an EU (EUVD) identifier?

Yes. CVE-2025-43977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22102.

When was CVE-2025-43977 published?

CVE-2025-43977 was published on 2025-07-21 and last updated on 2026-06-17.

CVE-2025-43977

CVE-2025-43977 is a medium-severity vulnerability in Sktelecom Com.skt.prod.dialer with a CVSS 3.x base score of 5.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22102
Weakness: CWE-862
Affected product: Sktelecom Com.skt.prod.dialer
Published: 2025-07-21
Last modified: 2026-06-17

Description

The com.skt.prod.dialer application through 12.5.0 for Android enables any installed application (with no permissions) to place phone calls without user interaction by sending a crafted intent via the com.skt.prod.dialer.activities.outgoingcall.OutgoingCallInternalBroadcaster component.

Frequently asked questions

What is CVE-2025-43977?: The com.skt.prod.dialer application through 12.5.0 for Android enables any installed application (with no permissions) to place phone calls without user interaction by sending a crafted intent via the com.skt.prod.dialer.activities.outgoingcall.OutgoingCallInternalBroadcaster component.
How severe is CVE-2025-43977?: CVE-2025-43977 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-43977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43977?: CVE-2025-43977 affects Sktelecom Com.skt.prod.dialer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43977 have an EU (EUVD) identifier?: Yes. CVE-2025-43977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22102.
When was CVE-2025-43977 published?: CVE-2025-43977 was published on 2025-07-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sktelecom:com.skt.prod.dialer:12.5.0:*:*:*:*:android:*:*

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