Vulnerability identifier: #VU20325

Vulnerability risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1973

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Enterprise NFV Infrastructure Software
Server applications / Virtualization software

Vendor: Cisco Systems, Inc

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists in the web portal framework due to insufficient sanitization of log file content stored on the affected device. A remote authenticated attacker can modify a log file, trick the victim to view the modified log file and execute arbitrary HTML and script code in user's browser in context of vulnerable interface.

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

Enterprise NFV Infrastructure Software: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-nfv-xss

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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