PT-2019-3318 · Cisco · Cisco Ios

Published 2019-09-25 · Updated 2019-10-09 · CVE-2019-12648

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS Software (affected versions not specified)

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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Incorrect Authorization

Weakness Enumeration

CWE-284

CWE-863

Related Identifiers

BDU:2019-03425

CVE-2019-12648

Affected Products

Cisco Ios

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2019-12648 · Security Note
• https://osv.dev/vulnerability/CVE-2019-12648 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-ios-gos-auth · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-03425 · Security Note