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
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
30.6%
A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code 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 install and boot a malicious software image or execute unsigned binaries on the targeted device.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | ios_xe | 3.2.0se | cpe:2.3:o:cisco:ios_xe:3.2.0se:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.0sg | cpe:2.3:o:cisco:ios_xe:3.2.0sg:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.1se | cpe:2.3:o:cisco:ios_xe:3.2.1se:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.1sg | cpe:2.3:o:cisco:ios_xe:3.2.1sg:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.2se | cpe:2.3:o:cisco:ios_xe:3.2.2se:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.2sg | cpe:2.3:o:cisco:ios_xe:3.2.2sg:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.3se | cpe:2.3:o:cisco:ios_xe:3.2.3se:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.3sg | cpe:2.3:o:cisco:ios_xe:3.2.3sg:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.4sg | cpe:2.3:o:cisco:ios_xe:3.2.4sg:*:*:*:*:*:*:* |
cisco | ios_xe | 3.2.5sg | cpe:2.3:o:cisco:ios_xe:3.2.5sg:*:*:*:*:*:*:* |
[
{
"product": "Cisco IOS XE Software 3.2.0SG",
"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
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
30.6%