CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
72.1%
A vulnerability in the DHCP code for the Zero Touch Provisioning feature of Cisco ASR 920 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a format string vulnerability when processing a crafted DHCP packet for Zero Touch Provisioning. An attacker could exploit this vulnerability by sending a specially crafted DHCP packet to an affected device. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. This vulnerability affects Cisco ASR 920 Series Aggregation Services Routers that are running an affected release of Cisco IOS XE Software (3.13 through 3.18) and are listening on the DHCP server port. By default, the devices do not listen on the DHCP server port. Cisco Bug IDs: CSCuy56385.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | ios_xe | 3.13.4s | cpe:2.3:o:cisco:ios_xe:3.13.4s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.13.5as | cpe:2.3:o:cisco:ios_xe:3.13.5as:*:*:*:*:*:*:* |
cisco | ios_xe | 3.13.5s | cpe:2.3:o:cisco:ios_xe:3.13.5s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.13.6as | cpe:2.3:o:cisco:ios_xe:3.13.6as:*:*:*:*:*:*:* |
cisco | ios_xe | 3.13.6s | cpe:2.3:o:cisco:ios_xe:3.13.6s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.14.3s | cpe:2.3:o:cisco:ios_xe:3.14.3s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.14.4s | cpe:2.3:o:cisco:ios_xe:3.14.4s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.15.2s | cpe:2.3:o:cisco:ios_xe:3.15.2s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.15.3s | cpe:2.3:o:cisco:ios_xe:3.15.3s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.15.4s | cpe:2.3:o:cisco:ios_xe:3.15.4s:*:*:*:*:*:*:* |
[
{
"product": "Cisco IOS XE Software for Cisco ASR 920 Series Routers",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Cisco IOS XE Software for Cisco ASR 920 Series Routers"
}
]
}
]
More
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
72.1%