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CVE-2018-0157
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending fragmented IP Version 4 or IP Version 6 packets through an affected device. An exploit could allow the attacker to cause the device to crash, resulting in a denial of service (DoS) condition. The following releases of Cisco IOS XE Software are vulnerable: Everest-16.4.1, Everest-16.4.2, Everest-16.5.1, Everest-16.5.1b, Everest-16.6.1, Everest-16.6.1a. Cisco Bug IDs: CSCvf60296..
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_xe:16.6.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:cisco:ios_xe:16.4.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:cisco:ios_xe:16.5.1b:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:cisco:ios_xe:16.4.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:cisco:ios_xe:16.6.1a:*:*:*:*:*:*:* |
Yes
|
- | - |