Privilege escalation in Cisco Application Policy Infrastructure Controller and Cloud APIC

1) Execution with unnecessary privileges

EUVDB-ID: #VU56112

Risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-1579

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to an insufficient role-based access control (RBAC). A remote authenticated attacker can send a specially crafted API request and elevate privileges to Administrator with write privileges on the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Application Policy Infrastructure Controller: - - 5.2

Cisco Cloud Application Policy Infrastructure Controller: - - 5.2

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_application_policy_infrastructure_controller:3.2:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_application_policy_infrastructure_controller:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_cloud_application_policy_infrastructure_controller:3.2:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_cloud_application_policy_infrastructure_controller:4.0:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-chvul-CKfGYBh8

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.