CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating system, install and boot a malicious software image, or execute unsigned binaries on an affected device. These vulnerabilities are due to improper checks performed by system boot routines. To exploit these vulnerabilities, the attacker would need privileged access to the CLI of the device. A successful exploit could allow the attacker to either execute arbitrary code on the underlying operating system or execute unsigned code and bypass the image verification check part of the secure boot process. For more information about these vulnerabilities, see the Details section of this advisory.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | ios_xe | 16.5.1 | cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:* |
cisco | ios_xe | 16.5.1a | cpe:2.3:o:cisco:ios_xe:16.5.1a:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.1 | cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.2 | cpe:2.3:o:cisco:ios_xe:16.6.2:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.3 | cpe:2.3:o:cisco:ios_xe:16.6.3:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.4 | cpe:2.3:o:cisco:ios_xe:16.6.4:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.4a | cpe:2.3:o:cisco:ios_xe:16.6.4a:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.4s | cpe:2.3:o:cisco:ios_xe:16.6.4s:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.5 | cpe:2.3:o:cisco:ios_xe:16.6.5:*:*:*:*:*:*:* |
cisco | ios_xe | 16.6.6 | cpe:2.3:o:cisco:ios_xe:16.6.6:*:*:*:*:*:*:* |
[
{
"product": "Cisco IOS XE Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%