Vulnerability · Published Aug 25, 2021 · Assigned by cisco

CVE-2021-1578Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability

High 8.8

In plain English

A high-severity security flaw in Cisco Application Policy Infrastructure Controller (APIC) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 80% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)2.0%top 19.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Application Policy Infrastructure Controller (APIC)	n/a

Weakness: CWE-636 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

20210825 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability vendor-advisory, x_refsource_CISCO