What is CVE-2018-0206?

CVE-2018-0206 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-02-22.

How severe is CVE-2018-0206?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cisco Unified Communications Manager

CVE-2018-0206

A vulnerability in the web-based management interface of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to conduct a reflected 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 web-based management interface to click a link that submits malicious input to the interface. 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: CSCvg74815.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-02-22 · last modified 2026-06-17.

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: 0.012 (67.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Cisco Unified Communications Manager — versions 11.5\(1.13900.52\), 11.5(1.13900.52)
Cisco Unified Communications Manager — versions Cisco Unified Communications Manager

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180221… (Vendor Advisory)
www.securityfocus.com/bid/103146 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1040411 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-0206?: CVE-2018-0206 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-02-22.
How severe is CVE-2018-0206?: Medium severity. CVSS v3 base score is 6.1 out of 10.