How severe is CVE-2021-25380?

CVE-2021-25380 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-25380 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25380?

CVE-2021-25380 affects Samsung Bixby. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25380?

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

When was CVE-2021-25380 published?

CVE-2021-25380 was published on 2021-04-09 and last updated on 2026-06-17.

CVE-2021-25380

CVE-2021-25380 is a medium-severity vulnerability in Samsung Bixby with a CVSS 3.x base score of 5.8. 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-755.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Samsung Bixby
Published: 2021-04-09
Last modified: 2026-06-17

Description

Improper handling of exceptional conditions in Bixby prior to version 3.0.53.02 allows attacker to execute the actions registered by the user.

Frequently asked questions

What is CVE-2021-25380?: Improper handling of exceptional conditions in Bixby prior to version 3.0.53.02 allows attacker to execute the actions registered by the user.
How severe is CVE-2021-25380?: CVE-2021-25380 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-25380 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25380?: CVE-2021-25380 affects Samsung Bixby. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25380?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25380 published?: CVE-2021-25380 was published on 2021-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:samsung:bixby:*:*:*:*:*:*:*:*

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CVE-2021-42141 — Critical (CVSS 9.8): An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with…
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