CVE-2021-1578

HIGH

Cisco APIC/Cloud APIC - Privilege Escalation

Title source: llm

Description

A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an authenticated, remote attacker to elevate privileges to Administrator on an affected device. This vulnerability is due to an improper policy default setting. An attacker could exploit this vulnerability by using a non-privileged credential for Cisco ACI Multi-Site Orchestrator (MSO) to send a specific API request to a managed Cisco APIC or Cloud APIC device. A successful exploit could allow the attacker to obtain Administrator credentials on the affected device.

Scores

CVSS v3 8.8
EPSS 0.0105
EPSS Percentile 77.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-755 CWE-636
Status published

Affected Products (4)

cisco/application_policy_infrastructure_controller < 5.1\(3e\)
cisco/application_policy_infrastructure_controller
cisco/cloud_application_policy_infrastructure_controller < 5.1\(3e\)
cisco/cloud_application_policy_infrastructure_controller

Timeline

Published Aug 25, 2021
Tracked Since Feb 18, 2026