Improper input validation in Samsung Mobile Devices
Priority MEDIUM 43CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Potential buffer overflow vulnerability in auth api in mm_Authentication.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0066 51st percentileScored 2026-11-07
Fix Fixed Samsung Mobile Devices (Samsung Mobile): SMR May-2023 Release 1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Samsung | Samsung Mobile Devices | Select devices using Exynos CP chipsets to before SMR May-2023 Release 1 | SMR May-2023 Release 1 | Patch available | CNA |
- Samsung Mobile Devices VendorSamsung Affected Select devices using Exynos CP chipsets to before SMR May-2023 Release 1 Fixed in SMR May-2023 Release 1 Patch available CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:samsung:android:13.0:-:*:*:*:*:*:* | 13.0 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-apr-2023-r1:*:*:*:*:*:* | 13.0 smr-apr-2023-r1 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:* | 13.0 smr-dec-2022-r1 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:* | 13.0 smr-feb-2023-r1 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:* | 13.0 smr-jan-2023-r1 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:* | 13.0 smr-mar-2023-r1 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:* | 13.0 smr-nov-2022-r1 | Vulnerable | Samsung |
| cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:* | 13.0 smr-oct-2022-r1 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:samsung:android:13.0:-:*:*:*:*:*:* Versions 13.0 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-apr-2023-r1:*:*:*:*:*:* Versions 13.0 smr-apr-2023-r1 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-dec-2022-r1:*:*:*:*:*:* Versions 13.0 smr-dec-2022-r1 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-feb-2023-r1:*:*:*:*:*:* Versions 13.0 smr-feb-2023-r1 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-jan-2023-r1:*:*:*:*:*:* Versions 13.0 smr-jan-2023-r1 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-mar-2023-r1:*:*:*:*:*:* Versions 13.0 smr-mar-2023-r1 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-nov-2022-r1:*:*:*:*:*:* Versions 13.0 smr-nov-2022-r1 Vulnerable ·Samsung
- cpe:2.3:o:samsung:android:13.0:smr-oct-2022-r1:*:*:*:*:*:* Versions 13.0 smr-oct-2022-r1 Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Remediation
- Fix · CNA Samsung Mobile Devices (Samsung Mobile) Fixed in SMR May-2023 Release 1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Samsung Mobile Devices SMR May-2023 Release 1
21 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2023-07893 Sensitive information in log files in Samsung Mobile DevicesPriority HIGH 78
- TI-2023-07905 Improper input validation in Samsung Mobile DevicesPriority MEDIUM 43
- TI-2023-07904 Improper input validation in Samsung Mobile DevicesPriority MEDIUM 43
Timeline
- 2026-10-02 Threatist record created from CVE-2023-21494
- 2026-10-03 Alias added: GHSA-cv2v-x3r8-x9vv
- 2026-10-07 EPSS moved to the 50th–90th percentile
References
More Samsung Android vulnerabilities
- TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
- TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
- TI-2021-07726 Out-of-bounds read in Samsung Mobile Devices KEVCVSS 3.1HIGH 7.8
- TI-2021-07611 An improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access. KEVCVSS 3.1MEDIUM 6.7
- TI-2021-07610 A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP. KEVCVSS 3.1MEDIUM 6.7
- TI-2021-07634 Race condition in Samsung Mobile Devices KEVCVSS 3.1MEDIUM 6.4
Sources
- CVE-2023-21494 · CVE Program
- CVE-2023-21494 · NVD
- FIRST EPSS
- GHSA-cv2v-x3r8-x9vv · 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