Privilege escalation in Cisco Application Policy Infrastructure Controller

1) Privilege escalation

EUVDB-ID: #VU9091

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12262

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to gain privileged access to the target device.

The weakness exists within the firewall configuration of the Cisco Application Policy Infrastructure Controller Enterprise Module (APIC-EM) due to incorrect firewall rule. An adjacent attacker can send traffic to the public interface to be forwarded to the internal virtual network of the APIC-EM and gain access to services listening on the internal network with elevated privileges.

Mitigation

Update to version 1.5.

Vulnerable software versions

Cisco Application Policy Infrastructure Controller: 1.4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-apicem

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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