description: A vulnerability in the Cisco IOx application hosting subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to root on an affected device.
This vulnerability is due to insufficient restrictions on the hosted application. An attacker could exploit this vulnerability by logging in to and then escaping the Cisco IOx application container. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
problem types: Improper Access Control
affected:
{
vendor: Cisco
product: Cisco IOS XE Software
versions:
version: 16.4.1, status: affected
version: 16.4.2, status: affected
version: 16.4.3, status: affected
version: 17.3.1, status: affected
version: 17.3.2, status: affected
version: 17.3.3, status: affected
version: 17.3.1a, status: affected
version: 17.3.1w, status: affected
version: 17.3.2a, status: affected
version: 17.3.1x, status: affected
version: 17.3.1z, status: affected
version: 17.3.4, status: affected
version: 17.3.5, status: affected
version: 17.3.4a, status: affected
version: 17.3.6, status: affected
version: 17.3.4b, status: affected
version: 17.3.4c, status: affected
version: 17.3.5a, status: affected
version: 17.3.5b, status: affected
version: 17.4.1, status: affected
version: 17.4.2, status: affected
version: 17.4.1a, status: affected
version: 17.4.1b, status: affected
version: 17.4.2a, status: affected
version: 17.5.1, status: affected
version: 17.5.1a, status: affected
version: 17.5.1b, status: affected
version: 17.5.1c, status: affected
version: 17.6.1, status: affected
version: 17.6.2, status: affected
version: 17.6.1w, status: affected
version: 17.6.1a, status: affected
version: 17.6.1x, status: affected
version: 17.6.3, status: affected
version: 17.6.1y, status: affected
version: 17.6.1z, status: affected
version: 17.6.3a, status: affected
version: 17.6.4, status: affected
version: 17.6.1z1, status: affected
version: 17.7.1, status: affected
version: 17.7.1a, status: affected
version: 17.7.1b, status: affected
version: 17.7.2, status: affected
version: 17.8.1, status: affected
version: 17.8.1a, status: affected
version: 17.9.1, status: affected
version: 17.9.1w, status: affected
version: 17.9.2, status: affected
version: 17.9.1a, status: affected
version: 17.9.2a, status: affected
}
metrics:
format: cvssV3_1
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
baseScore: 7.8
baseSeverity: HIGH
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
]
exploits: The Cisco Product Security Incident Response Team (PSIRT) is aware that proof-of-concept exploit code is available for the vulnerability that is described in this advisory.
The Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory.