An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1…
Priority LOW 29CWE-926Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.
Why it matters now
EPSS 0.0013 2nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Samsung Mobile Devices (Samsung Mobile): SMR MAY-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 | P(9.0), Q(10.0), R(11.0) to before SMR MAY-2021 Release 1 | SMR MAY-2021 Release 1 | Patch available | CNA |
- Samsung Mobile Devices VendorSamsung Affected P(9.0), Q(10.0), R(11.0) to before SMR MAY-2021 Release 1 Fixed in SMR MAY-2021 Release 1 Patch available CNA
Remediation
- Fix · CNA Samsung Mobile Devices (Samsung Mobile) Fixed in SMR MAY-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 MAY-2021 Release 1
15 records Highest priority Priority CRITICAL 2 CRITICAL, 5 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2021-07634 Race condition in Samsung Mobile DevicesPriority CRITICAL 88
- TI-2021-07633 Use after free in Samsung Mobile DevicesPriority CRITICAL 88
- TI-2021-07626 Heap-based buffer overflow in Samsung Mobile DevicesPriority MEDIUM 44
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25397
- 2026-10-03 Alias added: GHSA-gg2x-4f8g-8499
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-2021-25397 · CVE Program
- CVE-2021-25397 · NVD
- FIRST EPSS
- GHSA-gg2x-4f8g-8499 · GitHub Advisory Database · CC BY 4.0
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