How severe is CVE-2021-25439?

CVE-2021-25439 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-25439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25439?

CVE-2021-25439 primarily affects Samsung Members. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25439?

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

When was CVE-2021-25439 published?

CVE-2021-25439 was published on 2021-07-08 and last updated on 2026-06-17.

CVE-2021-25439

CVE-2021-25439 is a low-severity vulnerability in Samsung Members with a CVSS 3.x base score of 3.3. 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-284.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Samsung Members
Published: 2021-07-08
Last modified: 2026-06-17

Description

Improper access control vulnerability in Samsung Members prior to versions 2.4.85.11 in Android O(8.1) and below, and 3.9.10.11 in Android P(9.0) and above allows untrusted applications to cause arbitrary webpage loading in webview.

Frequently asked questions

What is CVE-2021-25439?: Improper access control vulnerability in Samsung Members prior to versions 2.4.85.11 in Android O(8.1) and below, and 3.9.10.11 in Android P(9.0) and above allows untrusted applications to cause arbitrary webpage loading in webview.
How severe is CVE-2021-25439?: CVE-2021-25439 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-25439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25439?: CVE-2021-25439 primarily affects Samsung Members. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25439 published?: CVE-2021-25439 was published on 2021-07-08 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7

Affected products (2)

cpe:2.3:a:samsung:members:*:*:*:*:*:*:*:*
cpe:2.3:a:samsung:members:3.9.10.11:*:*:*:*:*:*:*

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