XSS in Cisco Web Security Appliance

CVE-2018-0406

A vulnerability in the web-based management interface of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to conduct a reflected or Document Object Model based (DOM-based) cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCve84006.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-0406: held from 0.018 to 0.018.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

  • Cisco Web Security Appliance — versions 10.1.2-003, 10.5.1-269, 11.5.0-fcs-581
  • Cisco Web Security Appliance Unknown — versions Cisco Web Security Appliance unknown

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-0406?
CVE-2018-0406 is a medium-severity vulnerability in Cisco Web Security Appliance, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-01.
How severe is CVE-2018-0406?
Medium severity. CVSS v3 base score is 6.1 out of 10.