CVE-2021-1578

HIGH

Cisco APIC/Cloud APIC - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0105
EPSS Percentile 77.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-755 CWE-636
Status published
Products (4)
cisco/application_policy_infrastructure_controller 5.0\(2h\)
cisco/application_policy_infrastructure_controller 5.0 - 5.1\(3e\)
cisco/cloud_application_policy_infrastructure_controller 5.0\(2h\)
cisco/cloud_application_policy_infrastructure_controller 5.0 - 5.1\(3e\)
Published Aug 25, 2021
Tracked Since Feb 18, 2026