CVE-2021-1453
published 2021-03-24CVE-2021-1453: A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an…
PriorityP431medium6.8CVSS 3.1
AVPACLPRNUINSUCHIHAH
EPSS
0.22%
12.9th percentile
A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. The vulnerability is due to an improper check in the code function that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to boot a malicious software image or execute unsigned code and bypass the image verification check part of the secure boot process of an affected device. To exploit this vulnerability, the attacker would need to have unauthenticated physical access to the device or obtain privileged access to the root shell on the device.
Affected
57 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_ios_xe_software | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
| cisco | ios_xe | — | — |
CVSS provenance
nvdv3.16.8MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
vendor_cisco6.8MEDIUM
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Cisco
Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
vendor_cisco·2021-03-24·CVSS 6.8
CVE-2021-1453 [MEDIUM] CWE-347 Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time.
The vulnerability is due to an improper check in the code function that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to boot a malicious software image or execute unsigned code and bypass the image verification check part of the secure boot process of an affected device.
Cisco
Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
vendor_cisco·CVSS 3.1
CVE-2021-1453 Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
CVE-2021-1453: Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability
A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. The vulnerability is due to an improper check in the code function that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to boot a malicious software image or execute unsigned code and bypass the image verification check part of the secure boot process of an aff
GHSA
GHSA-j5cc-94pp-784r: A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow a
ghsa_unreviewed·2022-05-24
CVE-2021-1453 [HIGH] CWE-347 GHSA-j5cc-94pp-784r: A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow a
A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. The vulnerability is due to an improper check in the code function that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to boot a malicious software image or execute unsigned code and bypass the image verification check part of the secure boot process of an affected device. To exploit this vulnerability, the attacker would need to have unauthenticated physical acc
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-24
Published