Vulnerability identifier: #VU47238
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:
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 a lack of input and validation checking mechanisms for certain HTTP requests to APIs on an affected device. A remote authenticated attacker can send a specially crafted HTTP request and execute CLI commands or configuration changes as if they were an administrative user.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco IOS XE: 17.2.1 - 17.4.1
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-webui-priv-esc-K8zvEWM
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.