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CVE-2018-0257
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 3.3/10
- Exploit Score
- 6.5/10
- Access Vector
- Adjacent_network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- Partial
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 4.3/10
- Exploit Score
- 2.8/10
- Access Vector
- Adjacent_network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 1.4/10
- Confidentiality Impact
- None
- Availability Impact
- Low
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios_xe:15.6\(2\)sp:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
Yes
|
3.18 | - | |
| cpe:2.3:o:cisco:ios_xe:16.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:cisco:ios_xe:16.5:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
Yes
|
16.6 | - | |
| cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
Yes
|
- | - |