CVE-2023-21443
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows...
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows adjacent attackers to decrypt encrypted messages or inject commands.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows adjacent attackers to decrypt encrypted messages or inject commands.
- Record
CVE-2023-21443- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-326
- Updated
- 2026-11-02
EUVDEUVD-2023-25611
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows adjacent attackers to decrypt encrypted messages or inject commands.
- Record
EUVD-2023-25611- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ccm6-r4r3-65m2
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows...
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows adjacent attackers to decrypt encrypted messages or inject commands.
- Record
GHSA-ccm6-r4r3-65m2- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-326
- Updated
- 2026-11-02
NVD
Improper cryptographic implementation in Samsung Flow for Android prior to version 4.9.04 allows adjacent attackers to decrypt encrypted messages or inject commands.
- Record
CVE-2023-21443- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-326
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21443 is a high vulnerability (CVSS 7.5) in Samsung Flow, published February 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.