Improper input validation in Samsung Mobile Devices
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A missing input validation in HDCP LDFW prior to SMR Nov-2021 Release 1 allows attackers to overwrite TZASC allowing TEE compromise.
Why it matters now
EPSS 0.00103 0th percentileScored 2026-11-07
Fix Fixed Samsung Mobile Devices (Samsung Mobile): SMR Nov-2021 Release 1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Samsung | Samsung Mobile Devices | Select Q(10.0), R(11.0) devices with Exynos 980, 9820, 9830, 2100 chipset to before SMR Nov-2021 Release 1 | SMR Nov-2021 Release 1 | Patch available | CNA |
- Samsung Mobile Devices VendorSamsung Affected Select Q(10.0), R(11.0) devices with Exynos 980, 9820, 9830, 2100 chipset to before SMR Nov-2021 Release 1 Fixed in SMR Nov-2021 Release 1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | |
| cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | |
| cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Google
- cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Google
- cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Remediation
- Fix · CNA Samsung Mobile Devices (Samsung Mobile) Fixed in SMR Nov-2021 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 Nov-2021 Release 1
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2021-07741 Improper privilege management in Samsung Mobile DevicesPriority LOW 33
- TI-2021-07742 Improper input validation in Samsung Mobile DevicesPriority LOW 28
- TI-2021-07740 Improper access control in Samsung Mobile DevicesPriority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25500
- 2026-10-03 Alias added: GHSA-8p45-f6fm-g8jq
References
More Samsung 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-2025-04133 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-06858 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
- TI-2016-00916 Integer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before… KEVCVSS 3.1HIGH 8.8
- TI-2022-06595 An improper check or handling of exceptional conditions in NPU driver prior to SMR… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2021-25500 · CVE Program
- CVE-2021-25500 · NVD
- FIRST EPSS
- GHSA-8p45-f6fm-g8jq · 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