Cisco NX-OS Software Image Verification Bypass Vulnerability
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.2epss 0.3%
exploitation probability
0.3%top 80% of all CVEs
observed exploitation
nono source reports it
A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification.
This vulnerability is due to insecure bootloader settings. An attacker could exploit this vulnerability by executing a series of bootloader commands. A successful exploit could allow the attacker to bypass NX-OS image signature verification and load unverified software.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N