How severe is CVE-2021-25399?

CVE-2021-25399 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-25399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25399?

CVE-2021-25399 affects Samsung Smart Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25399?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-25399 published?

CVE-2021-25399 was published on 2021-06-11 and last updated on 2026-06-17.

CVE-2021-25399

CVE-2021-25399 is a high-severity vulnerability in Samsung Smart Manager with a CVSS 3.x base score of 7.1. 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-285.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 3.6
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Samsung Smart Manager
Published: 2021-06-11
Last modified: 2026-06-17

Description

Improper configuration in Smart Manager prior to version 11.0.05.0 allows attacker to access the file with system privilege.

Frequently asked questions

What is CVE-2021-25399?: Improper configuration in Smart Manager prior to version 11.0.05.0 allows attacker to access the file with system privilege.
How severe is CVE-2021-25399?: CVE-2021-25399 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-25399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25399?: CVE-2021-25399 affects Samsung Smart Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25399 published?: CVE-2021-25399 was published on 2021-06-11 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=5

Affected products (1)

cpe:2.3:a:samsung:smart_manager:*:*:*:*:*:*:*:*

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