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CVE-2018-15403

5.4 · MEDIUM

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…

Published Oct 5, 2018CWE-601EPSS 1.22%

Overview

CVE-2018-15403 is a medium-severity vulnerability. It was published on October 5, 2018 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securitytracker.com/id/1041780Refwww.securitytracker.com/id/1041789Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-er-ucm-redirectRefwww.securitytracker.com/id/1041780Refwww.securitytracker.com/id/1041789Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-er-ucm-redirect

How CyberStrike helps

Frequently asked questions

What is CVE-2018-15403?

CVE-2018-15403 is a medium-severity vulnerability. It was published on October 5, 2018 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

How severe is CVE-2018-15403?

This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-15403?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-15403?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-15403 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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