A vulnerability in the upgrade process of Cisco Spark Board could allow an authenticated…
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-494.
Summary
A vulnerability in the upgrade process of Cisco Spark Board could allow an authenticated, local attacker to install an unverified upgrade package, aka Signature Verification Bypass. The vulnerability is due to insufficient upgrade package validation. An attacker could exploit this vulnerability by providing the upgrade process with an upgrade package that the attacker controls. An exploit could allow the attacker to install custom firmware to the Spark Board. Cisco Bug IDs: CSCvf84502.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | Cisco Spark Board | Cisco Spark Board | — | No fix listed | CNA |
- Cisco Spark Board Vendor— Affected Cisco Spark Board Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12306
- 2026-10-03 Alias added: GHSA-83qx-28gx-pcx4
References
More Cisco Conference Director vulnerabilities
- TI-2018-00094 Improper access control in Cisco Spark CVSS 3.0MEDIUM 4.7
Sources
- CVE-2017-12306 · CVE Program
- CVE-2017-12306 · NVD
- FIRST EPSS
- GHSA-83qx-28gx-pcx4 · GitHub Advisory Database · CC BY 4.0
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