CVE-2017-12306

Name: CVE-2017-12306
Creator: NVD / NIST
Published: 2017-11-16T07:29:00.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.19%

Last modified Jun 17, 2026

CVE-2017-12306 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.19%

9.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Conference Director	2017-08-15

References

http://www.securityfocus.com/bid/101914Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-sparkVendor Advisory
http://www.securityfocus.com/bid/101914Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-sparkVendor Advisory

Timeline

Published: Nov 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12306?

How severe is CVE-2017-12306?

Severity scoring for CVE-2017-12306 is pending analysis. The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12306?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12306?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST