Vulnerability identifier: #VU51787
Vulnerability risk: Low
CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco IOS XE
Operating systems & Components /
Operating system
Cisco Catalyst 9800 Wireless Controller
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Catalyst 9300 Series Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Catalyst 9400 Series Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Catalyst 9500 Series Switches
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Embedded Wireless Controller on Catalyst Access Points
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Cisco Systems, Inc
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the web-based management interface. A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco IOS XE: 16.12.4
Cisco Catalyst 9800 Wireless Controller: All versions
Cisco Catalyst 9300 Series Switches: All versions
Cisco Catalyst 9400 Series Switches: All versions
Cisco Catalyst 9500 Series Switches: All versions
Embedded Wireless Controller on Catalyst Access Points: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-xss-cAfMtCzv
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.