CVE-2018-0387

Name: CVE-2018-0387
Creator: NVD / NIST
Published: 2018-07-18T23:29:01.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.11%

Last modified Jun 17, 2026

CVE-2018-0387 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in Cisco Webex Teams (for Windows and macOS) could allow an unauthenticated, remote attacker to execute arbitrary code on the user's device, possibly with elevated privileges. The vulnerability occurs because Cisco Webex Teams does not properly sanitize input. EPSS estimates a 3.11% chance of exploitation in the next 30 days.

Description

A vulnerability in Cisco Webex Teams (for Windows and macOS) could allow an unauthenticated, remote attacker to execute arbitrary code on the user's device, possibly with elevated privileges. The vulnerability occurs because Cisco Webex Teams does not properly sanitize input. An attacker could exploit the vulnerability by sending a user a malicious link and persuading the user to follow the link. A successful exploit could allow the attacker to execute arbitrary code on the user's system. Cisco Bug IDs: CSCvh66250.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

3.11%

86.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Webex Teams	All versions

References

http://www.securityfocus.com/bid/104873Broken Link
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-teams-rceVendor Advisory
http://www.securityfocus.com/bid/104873Broken Link
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-webex-teams-rceVendor Advisory

Timeline

Published: Jul 18, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0387?

How severe is CVE-2018-0387?

CVE-2018-0387 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.11% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0387?

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-2018-0387?

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

Scan your code now

Source: NVD / NIST