National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-12648 Detail

Current Description

A vulnerability in the IOx application environment for Cisco IOS Software could allow an authenticated, remote attacker to gain unauthorized access to the Guest Operating System (Guest OS) running on an affected device. The vulnerability is due to incorrect role-based access control (RBAC) evaluation when a low-privileged user requests access to a Guest OS that should be restricted to administrative accounts. An attacker could exploit this vulnerability by authenticating to the Guest OS by using the low-privileged-user credentials. An exploit could allow the attacker to gain unauthorized access to the Guest OS as a root user.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 8.8 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Cisco Systems, Inc.
Base Score: 9.9 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-ios-gos-auth Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-863 Incorrect Authorization NIST  
CWE-284 Improper Access Control Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:cisco:ios:15.7%283%29m3
     Show Matching CPE(s)
Running on/with
 cpe:/h:cisco:807_industrial_integrated_services_routers:-
     Show Matching CPE(s)
 cpe:/h:cisco:809_industrial_integrated_services_routers:-
     Show Matching CPE(s)
 cpe:/h:cisco:829_industrial_integrated_services_routers:-
     Show Matching CPE(s)
 cpe:/h:cisco:cgr1240:-
     Show Matching CPE(s)
 cpe:/h:cisco:cgr_1120:-
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-12648
NVD Published Date:
09/25/2019
NVD Last Modified:
10/09/2019