CVE-2021-34708

CVSS v3 Score
6.7
Medium
CVSS v2 Score
7.2
High

Vulnerability Description

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS:6.7(Medium)

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch. The vulnerability is due to insufficient NX-...

CVSS:6.7(Medium)

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software image. The vulnerability is due to insufficient NX-...

CVSS:6.7(Medium)

FusionSphere OpenStack V100R006C00SPC102(NFV)has an improper verification of cryptographic signature vulnerability. The software does not verify the cryptographic signature. An attacker with high priv...

CVSS:6.7(Medium)

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnera...

CVSS:6.7(Medium)

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install and boot a malicious software image or execute unsigned binaries on a...

CVSS:6.7(Medium)

A vulnerability in Cisco NX-OS Software and Cisco IOS XE Software could allow an authenticated, local attacker with valid administrator or privilege level 15 credentials to load a virtual service imag...