#VU56112 Execution with unnecessary privileges in Cisco Application Policy Infrastructure Controller and Cisco Cloud Application Policy Infrastructure Controller - CVE-2021-1579

Vulnerability identifier: #VU56112

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Application Policy Infrastructure Controller
Web applications / Remote management & hosting panels
Cisco Cloud Application Policy Infrastructure Controller
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

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: 3.2 - 5.2

Cisco Cloud Application Policy Infrastructure Controller: 3.2 - 5.2

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

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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.