Cyber Resilience

CVE-2021-25380

Medium

Published: 09 April 2021

Published
09 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0031 54.5th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25380 is a medium-severity Improper Check or Handling of Exceptional Conditions (CWE-703) vulnerability in Samsung Bixby. Its CVSS base score is 5.8 (Medium).

Operationally, ranked in the top 45.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

samsung
bixby
≤ 3.0.53.02

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-703 CWE-755

Implements explicit check and handling for the exceptional condition of audit logging process failure.

addresses: CWE-703 CWE-755

Provides a defined response to detected conditions by restricting operation, ensuring exceptional conditions are handled rather than ignored or mishandled.

addresses: CWE-703 CWE-755

Contingency training equips users with defined procedures to check and respond to exceptional conditions during disruptions, reducing exploitation of mishandled errors.

addresses: CWE-703 CWE-755

Regular updates keep contingency procedures aligned with system changes, providing structured handling for exceptional conditions that would otherwise allow unmitigated exploitation.

addresses: CWE-703 CWE-755

Policy defines checks and handling for exceptional conditions arising from security incidents.

addresses: CWE-703 CWE-755

Performing IR tests ensures exceptional conditions are properly checked and handled to enable effective response.

addresses: CWE-703 CWE-755

Supplies advice and assistance on handling incidents, improving checks and responses to exceptional conditions.

addresses: CWE-703 CWE-755

Mandates explicit, predictable handling of exceptional conditions rather than undefined continuation.

References