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Vulnerability Details : CVE-2018-0484

A vulnerability in the access control logic of the Secure Shell (SSH) server of Cisco IOS and IOS XE Software may allow connections sourced from a virtual routing and forwarding (VRF) instance despite the absence of the vrf-also keyword in the access-class configuration. The vulnerability is due to a missing check in the SSH server. An attacker could use this vulnerability to open an SSH connection to an affected Cisco IOS or IOS XE device with a source address belonging to a VRF instance. Once connected, the attacker would still need to provide valid credentials to access the device.
Publish Date : 2019-01-10 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
4.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2018-0484

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco IOS 16.6.2 Version Details Vulnerabilities
2 OS Cisco IOS 16.6.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco IOS 2

- References For CVE-2018-0484

http://www.securityfocus.com/bid/106560
BID 106560 Cisco IOS and IOS XE Software CVE-2018-0484 Security Bypass Vulnerability Release Date:2019-01-09
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190109-ios-ssh-vrf
CISCO 20190109 Cisco IOS and IOS XE Software Secure Shell Connection on VRF Vulnerability

- Metasploit Modules Related To CVE-2018-0484

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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