PatchTheCVECVE-2023-21467: Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect
CVE-2023-21467 is a medium-severity flaw (CVSS 4.6) affecting exynos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.6 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| Published | 2025-09-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-21467?
exynos: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-21467 being exploited?
CVE-2023-21467 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-21467 affect?
CVE-2023-21467 affects exynos. Severity is medium (CVSS 4.6). Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message.
How urgent is CVE-2023-21467?
Priority 22/100. No elevated risk signals yet.