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CVE-2018-0155
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service (DoS) condition. The vulnerability is due to insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this vulnerability by sending a crafted BFD message to or across an affected switch. A successful exploit could allow the attacker to trigger a reload of the system. This vulnerability affects Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5), Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.8/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- High
- Base Score
- 8.6/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 4/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Changed
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:cisco:ios:3.6\(2\)e:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:o:cisco:ios_xe:3.6\(2\)e:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500-x_series_switches_\(k10\):-:*: |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_6-e_\(k5\):- |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_6l-e_\(k10\) |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_7-e_\(k10\): |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500_supervisor_engine_7l-e_\(k10\) |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500e_supervisor_engine_8-e_\(k10\) |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500e_supervisor_engine_8l-e_\(k10\ |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4500e_supervisor_engine_9-e_\(k10\) |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4900m_switch_\(k5\):-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:h:cisco:catalyst_4948e_ethernet_switch_\(k5\):-:*:*: |
No
|
- | ||
| cpe:2.3:o:cisco:ios:3.6\(2\)e:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:o:cisco:ios_xe:3.6\(2\)e:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:rockwellautomation:allen-bradley_stratix_8300_indu |
No
|
- |