How severe is CVE-2021-25423?

CVE-2021-25423 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 high, integrity none, and availability none.

Is CVE-2021-25423 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-2021-25423?

CVE-2021-25423 affects Samsung Watch Active2 Plugin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25423?

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

When was CVE-2021-25423 published?

CVE-2021-25423 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-25423

CVE-2021-25423 is a medium-severity vulnerability in Samsung Watch Active2 Plugin 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Samsung Watch Active2 Plugin
Published: 2021-06-11
Last modified: 2026-06-17

Description

Improper log management vulnerability in Watch Active2 PlugIn prior to 2.2.08.21033151 version allows attacker with log permissions to leak Wi-Fi password connected to the user smartphone via log.

Frequently asked questions

What is CVE-2021-25423?: Improper log management vulnerability in Watch Active2 PlugIn prior to 2.2.08.21033151 version allows attacker with log permissions to leak Wi-Fi password connected to the user smartphone via log.
How severe is CVE-2021-25423?: CVE-2021-25423 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 high, integrity none, and availability none.
Is CVE-2021-25423 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-2021-25423?: CVE-2021-25423 affects Samsung Watch Active2 Plugin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25423?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25423 published?: CVE-2021-25423 was published on 2021-06-11 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=6

Affected products (1)

cpe:2.3:a:samsung:watch_active2_plugin:*:*:*:*:*:android:*:*

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