Open Redirect in Cisco Emergency Responder

CVE-2018-15403

A vulnerability in the web interface of Cisco Emergency Responder, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection could allow an authenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by crafting an HTTP request that causes the web interface to redirect a request to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.

Vulnerability class: Open Redirect

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (68.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.1% 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-2018-15403: fell from 0.018 to 0.012.

EPSS over last 30 days · oldest: 0.018 · newest: 0.012 · change: -0.006

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-15403?
CVE-2018-15403 is a medium-severity vulnerability in Cisco Emergency Responder, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2018-10-05.
How severe is CVE-2018-15403?
Medium severity. CVSS v3 base score is 5.4 out of 10.