CVE-2023-20082
Summary
| CVE | CVE-2023-20082 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-03-23 17:15:00 UTC |
| Updated | 2023-11-07 04:05:00 UTC |
| Description | A vulnerability in Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches could allow an authenticated, local attacker with level-15 privileges or an unauthenticated attacker with physical access to the device to execute persistent code at boot time and break the chain of trust. This vulnerability is due to errors that occur when retrieving the public release key that is used for image signature verification. An attacker could exploit this vulnerability by modifying specific variables in the Serial Peripheral Interface (SPI) flash memory of an affected device. A successful exploit could allow the attacker to execute persistent code on the underlying operating system. Note: In Cisco IOS XE Software releases 16.11.1 and later, the complexity of an attack using this vulnerability is high. However, an attacker with level-15 privileges could easily downgrade the Cisco IOS XE Software on a device to a release that would lower the attack complexity. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cisco | Catalyst 9300 | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24p-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24p-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24s-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24s-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24t-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24t-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24u-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24u-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24ux-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-24ux-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48p-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48p-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48s-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48s-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48t-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48t-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48u-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48u-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48un-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48un-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48uxm-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300-48uxm-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24p-4g-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24p-4g-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24p-4x-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24p-4x-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24t-4g-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24t-4g-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24t-4x-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-24t-4x-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48p-4g-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48p-4g-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48p-4x-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48p-4x-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48t-4g-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48t-4g-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48t-4x-a | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l-48t-4x-e | - | All | All | All |
| Hardware | Cisco | Catalyst 9300lm | - | All | All | All |
| Hardware | Cisco | Catalyst 9300l Stack | - | All | All | All |
| Hardware | Cisco | Catalyst 9300x | - | All | All | All |
| Operating System | Cisco | Ios Xe | All | All | All | All |
| Operating System | Cisco | Ios Xe | 17.7 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches Secure Boot Bypass Vulnerability | CISCO | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 317307 Cisco Internetwork Operating System (IOS XE) Software Secure Boot Bypass Vulnerability (cisco-sa-c9300-spi-ace-yejYgnNQ)