Security restrictions bypass in Nexus 7700 Series Switches and Nexus 7000 Series Switches - CVE-2017-12333
Published: December 1, 2017
Vulnerability identifier: #VU9480
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12333
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Nexus 7700 Series Switches
Nexus 7000 Series Switches
Nexus 7700 Series Switches
Nexus 7000 Series Switches
Detailed vulnerability description
The vulnerability allows a local attacker to bypass security restrictions on the target system.
The weakness exists in Cisco NX-OS System Software due to insufficient NX-OS signature verification for software images. A local attacker with knowledge of valid administrator credentials can bypass signature verification and load a crafted, unsigned software image.
The weakness exists in Cisco NX-OS System Software due to insufficient NX-OS signature verification for software images. A local attacker with knowledge of valid administrator credentials can bypass signature verification and load a crafted, unsigned software image.
How to mitigate CVE-2017-12333
Install update from vendor's website.