CVE-2018-0340

Name: CVE-2018-0340
Creator: NVD / NIST
Published: 2018-06-07T21:29:00.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.28%

Last modified Jun 17, 2026

CVE-2018-0340 is a vulnerability of currently unknown severity. A vulnerability in the web framework of the Cisco Unified Communications Manager (Unified CM) software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of the web interface of the affected system. The vulnerability is due to insufficient input validation of certain parameters passed to the web server. EPSS estimates a 1.28% chance of exploitation in the next 30 days.

Description

A vulnerability in the web framework of the Cisco Unified Communications Manager (Unified CM) software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of the web interface of the affected system. The vulnerability is due to insufficient input validation of certain parameters passed to the web server. An attacker could exploit this vulnerability by convincing the user to access a malicious link or by intercepting the user request and injecting certain malicious code. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected site or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvj00512.

Metrics

EPSS Probability

1.28%

66.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Unified Communications Manager	10.5\(2.10000.5\)
Cisco	Unified Communications Manager	11.0\(1.10000.10\)
Cisco	Unified Communications Manager	11.5\(1.10000.6\)
Cisco	Unified Communications Manager	12.0\(1.10000.10\)

References

http://www.securityfocus.com/bid/104448Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041070Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucm-xssVendor Advisory
http://www.securityfocus.com/bid/104448Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041070Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucm-xssVendor Advisory

Timeline

Published: Jun 7, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0340?

How severe is CVE-2018-0340?

Severity scoring for CVE-2018-0340 is pending analysis. The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0340?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0340?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST