Vulnerability identifier: #VU28565

Vulnerability risk: Medium

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

CVE-ID: CVE-2020-3229

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco IOS XE
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

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

The vulnerability exists due to incorrect handling of Role Based Access Control (RBAC) functionality for the administration GUI. A remote authenticated attacker can send a modified HTTP request and execute CLI commands or configuration changes with elevated privileges.

This vulnerability affects the following products if they are running affected release of Cisco IOS XE Software: 

• Cisco Integrated Services Virtual Router
• Cisco ASR 1000 Series Aggregation Services Routers
• Cisco Catalyst 3850 Series Switches
• Cisco Catalyst 3650 Series Switches
• Cisco 1000 Series Integrated Services Routers
• Cisco Catalyst 9300 Series Switches
• Cisco Catalyst 9500 Series Switches
• Cisco Catalyst 9200 Series Switches
• Cisco Catalyst 9800 Series Wireless Controllers

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco IOS XE: 16.6.5

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-PZgQxjfG

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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.