Vulnerability Details : CVE-2018-0475
A vulnerability in the implementation of the cluster feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation when handling Cluster Management Protocol (CMP) messages. An attacker could exploit this vulnerability by sending a malicious CMP message to an affected device. A successful exploit could allow the attacker to cause the switch to crash and reload or to hang, resulting in a DoS condition. If the switch hangs it will not reboot automatically, and it will need to be power cycled manually to recover.
Vulnerability category: Input validationDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-0475
Probability of exploitation activity in the next 30 days: 0.20%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 57 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-0475
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.1
|
MEDIUM | AV:A/AC:L/Au:N/C:N/I:N/A:C |
6.5
|
6.9
|
NIST |
7.4
|
HIGH | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
2.8
|
4.0
|
NIST |
CWE ids for CVE-2018-0475
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2018-0475
-
http://www.securityfocus.com/bid/105404
Cisco IOS and IOS XE Software CVE-2018-0475 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cmp
Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service VulnerabilityVendor Advisory
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http://www.securitytracker.com/id/1041737
Cisco IOS/IOS XE Multiple Flaws Let Remote Users Cause the Target Device to Hang or Reload and Local Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
Products affected by CVE-2018-0475
- cpe:2.3:o:cisco:ios:15.0\(2.0.0\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:15.0\(2.0.0\):*:*:*:*:*:*:*