PT-2020-4893 · Cisco · Cisco Webex Meetings

Published 2020-11-18 · Updated 2020-11-25 · CVE-2020-27126

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Cisco Webex Meetings (affected versions not specified)

Description: The issue is related to improper validation of user-supplied input to an application programmatic interface (API) within Cisco Webex Meetings, allowing an unauthenticated, remote attacker to conduct cross-site scripting attacks. An attacker could exploit this by convincing a targeted user to follow a link designed to submit malicious input to the API used by Cisco Webex Meetings. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to sensitive browser-based information from the system of a targeted user.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-80

CWE-79

Related Identifiers

BDU:2020-05468

CVE-2020-27126

Affected Products

Cisco Webex Meetings

References · 7

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-meetings-xss-MX56prER · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27126 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27126 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-05468 · Security Note
• https://t.me/cibsecurity/16535 · Telegram Post
• https://t.me/cvenotify/6212 · Telegram Post
• https://t.me/cvenotify/5784 · Telegram Post