Cross-site scripting in Cisco ASA 5500-X Series - CVE-2018-0242
Published: April 18, 2018 / Updated: April 23, 2018
Vulnerability identifier: #VU12087
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2018-0242
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The weakness exists in the WebVPN web-based management interface due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link 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.
Affected software
Cisco ASA 5500-X Series
How to mitigate CVE-2018-0242
Update to versions 201.2(1.2), 201.1(15.7), 101.3(1.18), 100.13(0.174), 100.11(0.91), 100.8(40.144), 99.1(20.149), 99.1(0.11), 98.2(0.11), 97.1(0.171), 96.2(0.169), 9.9(2), 9.9(1.99), 9.9(1.77), 9.9(1.51), 9.9(1.3), 9.8(2.218), 9.8(2.21), 9.6(4), 9.6(3.27), 9.4(4.17) or 9.2(4.26).