How severe is CVE-2021-25504?

CVE-2021-25504 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-25504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25504?

CVE-2021-25504 affects Samsung Group Sharing. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25504?

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

When was CVE-2021-25504 published?

CVE-2021-25504 was published on 2021-11-05 and last updated on 2026-06-17.

CVE-2021-25504

CVE-2021-25504 is a medium-severity vulnerability in Samsung Group Sharing with a CVSS 3.x base score of 4.0. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Samsung Group Sharing
Published: 2021-11-05
Last modified: 2026-06-17

Description

Intent redirection vulnerability in Group Sharing prior to 10.8.03.2 allows attacker to access contact information.

Frequently asked questions

What is CVE-2021-25504?: Intent redirection vulnerability in Group Sharing prior to 10.8.03.2 allows attacker to access contact information.
How severe is CVE-2021-25504?: CVE-2021-25504 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-25504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25504?: CVE-2021-25504 affects Samsung Group Sharing. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25504?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25504 published?: CVE-2021-25504 was published on 2021-11-05 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=11

Affected products (1)

cpe:2.3:a:samsung:group_sharing:*:*:*:*:*:android:*:*

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