Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04…
Priority LOW 39CWE-326Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-326.
Summary
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows adjacent attackers to decrypt encrypted messages or inject commands.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00192 8th percentileScored 2026-11-07
Fix Fixed Samsung Flow for Android (Samsung Mobile): 4.9.04
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Samsung Flow for Android (Samsung Mobile) Fixed in 4.9.04
Timeline
- 2026-10-02 Threatist record created from CVE-2023-21443
- 2026-10-03 Alias added: GHSA-ccm6-r4r3-65m2
References
More Samsung Flow vulnerabilities
- TI-2023-07845 Improper cryptographic implementation in Samsung Flow for PC 4.9.14.0 allows adjacent… CVSS 3.1HIGH 8.8
- TI-2025-14968 Improper verification of intent by broadcast receiver in Samsung Flow prior to version… CVSS 3.1MEDIUM 6.2
- TI-2025-14967 Improper input validation in Samsung Flow prior to version 4.9.17.6 allows local… CVSS 3.1MEDIUM 5.5
- TI-2024-32992 Improper access control in Samsung Flow prior to version 4.9.15.7 allows physical… CVSS 3.1MEDIUM 4.6
- TI-2024-22899 Improper verification of intent by broadcast receiver vulnerability in Samsung Flow prior… CVSS 3.1MEDIUM 4.4
Sources
- CVE-2023-21443 · CVE Program
- CVE-2023-21443 · NVD
- FIRST EPSS
- GHSA-ccm6-r4r3-65m2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences