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
AI Score
Confidence
High
EPSS
Percentile
59.3%
Cisco IOS 15.0 through 15.5 and IOS XE 3.3 through 3.16 allow remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 Relay message, aka Bug ID CSCus55821.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | ios_xe | 3.3xo_3.3.0xo | cpe:2.3:o:cisco:ios_xe:3.3xo_3.3.0xo:*:*:*:*:*:*:* |
cisco | ios_xe | 3.3xo_3.3.1xo | cpe:2.3:o:cisco:ios_xe:3.3xo_3.3.1xo:*:*:*:*:*:*:* |
cisco | ios_xe | 3.3xo_3.3.2xo | cpe:2.3:o:cisco:ios_xe:3.3xo_3.3.2xo:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5e_3.5.0e | cpe:2.3:o:cisco:ios_xe:3.5e_3.5.0e:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5e_3.5.1e | cpe:2.3:o:cisco:ios_xe:3.5e_3.5.1e:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5e_3.5.2e | cpe:2.3:o:cisco:ios_xe:3.5e_3.5.2e:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5e_3.5.3e | cpe:2.3:o:cisco:ios_xe:3.5e_3.5.3e:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5s_3.5.0s | cpe:2.3:o:cisco:ios_xe:3.5s_3.5.0s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5s_3.5.1s | cpe:2.3:o:cisco:ios_xe:3.5s_3.5.1s:*:*:*:*:*:*:* |
cisco | ios_xe | 3.5s_3.5.2s | cpe:2.3:o:cisco:ios_xe:3.5s_3.5.2s:*:*:*:*:*:*:* |
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
AI Score
Confidence
High
EPSS
Percentile
59.3%