CVE-2021-25380Network attack vector

Registered-action execution via exceptional-condition mishandling

Published Apr 9, 2021 · Updated Aug 3, 2024

Improper exceptional-condition handling in Samsung Electronics Bixby before 3.0.53.02 allows attackers to execute registered user actions. Samsung has not published the affected component, exceptional condition, or faulty operation that triggers the action execution. Exploitation requires user interaction and a high-complexity network path; executed actions are limited to those already registered by the user.

CVSS severity5.8
Medium
EPSS probability0.60%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper exceptional-condition handling in Samsung Electronics Bixby before 3.0.53.02 allows attackers to execute registered user actions. Samsung has not published the affected component, exceptional condition, or faulty operation that triggers the action execution. Exploitation requires user interaction and a high-complexity network path; executed actions are limited to those already registered by the user.

The record

CVE
CVE-2021-25380
Published
Apr 9, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics
Product
Bixby
Classifications
CWE-755, CWE-703
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 9, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <3.0.53.02

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Samsung Electronics · Bixbyversion=unspecified <3.0.53.02

Published CVSS scores

7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
7.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
5.8Samsung MobileCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-755Improper Handling of Exceptional Conditions
CWE-703Improper Check or Handling of Exceptional Conditions

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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