CVE-2024-20397
Cisco NX-OS Software Image Verification Bypass Vulnerability
Severity
Medium 5.2
CVSS 3.1
Exploited
Not listed
EPSS
0.003
22.7th percentile
Discovered by
Third party
Vendor-published field
Published
Dec 4, 2024
Assigned by cisco
Description
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.
Weakness: CWE-284
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco NX-OS Software | Routing & Switching | cna-assigner |
| Cisco | Cisco Unified Computing System (UCS) | Other Products | cna-assigner |
Vendor-reported products (3)
- Cisco · Cisco NX-OS Software
- Cisco · Cisco NX-OS System Software in ACI Mode
- Cisco · Cisco Unified Computing System (Managed)