Security readout for executives and security teams
Plain-English summary
This CVE describes a baseband flaw in older Samsung flagship phones that could allow remote code execution through a fake cellular base station. Business risk is mainly from legacy, unpatched Galaxy S6, S6 Edge, S6 Edge+, or Note5 devices still used for sensitive work.
Executive priority
Treat this as a legacy mobile-device risk. Prioritize finding and removing or updating affected phones, especially where they access corporate data or are used by executives, administrators, or field staff.
Technical view
The source describes a stack-based buffer overflow in the baseband process on Samsung devices with Shannon333 chipset software through 2015-11-12. A fake base station is listed as the remote exploitation path. Public metadata does not provide CVSS, CWE, exact firmware builds, or a detailed fix.
Likely exposure
Exposure appears limited to named older Samsung devices: Galaxy S6/S6 Edge, Galaxy S6 Edge+, and Galaxy Note5 with the Shannon333 chipset and software through 2015-11-12.
Exploitation context
The CVE says remote code execution is possible via a fake base station. The provided bundle does not identify active exploitation, and the CVE is not listed as KEV.
Researcher notes
Evidence is concise and incomplete. The CVE names affected device families, chipset, date boundary, vulnerability class, and attack vector, but does not provide CVSS, CWE, detailed firmware ranges, patch package names, or exploitation telemetry.
Mitigation direction
- Identify any affected Samsung legacy devices in corporate use.
- Check Samsung guidance for SVE-2015-5123 from December 2015.
- Apply applicable Samsung security updates if available.
- Retire or replace devices that cannot be verified as updated.
- Restrict affected legacy devices from sensitive operational use.
Validation and detection
- Inventory device models, chipset where available, and software build dates.
- Confirm whether devices received Samsung’s December 2015 security update.
- Review MDM records for any Galaxy S6, S6 Edge+, or Note5 devices.
- Document unsupported or unverifiable devices for removal from use.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-8546 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security.samsungmobile.com/securityUpdate.smsbCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.