CVE-2019-1866 - CVE House
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Status published Low CVE-2019-1866

Cisco Webex Business Suite Host Header Value Integrity Vulnerability

Vulnerability Description

Cisco Webex Business Suite before 39.1.0 contains a vulnerability that could allow an unauthenticated, remote attacker to affect the integrity of the application. The vulnerability is due to improper validation of host header values. An attacker with a privileged network position, either a man-in-the-middle or by intercepting wireless network traffic, could exploit this vulnerability to manipulate header values sent by a client to the affected application. The attacker could cause the application to use input from the header to redirect a user from the Cisco Webex Meetings Online site to an arbitrary site of the attacker's choosing.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Cisco would like to thank Prasenjit Kanti Paul for reporting this vulnerability.

Affected Vendor

Affected Software

Cisco Webex Business Suite
Vulnerable Versions:
unspecified

Timeline

Official Publish: April 13th, 2020
Last Modified: November 15th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Weaknesses (CWE)