PT-2021-2563 · Cisco · Cisco Webex Meetings

Sem Voigtländer · Published 2021-04-07 · Updated 2021-04-14 · CVE-2021-1420

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

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

Description: A vulnerability in Cisco Webex Meetings could allow an unauthenticated, remote attacker to modify a web page in the context of a user's browser. The issue is due to improper checks on parameter values in affected pages. An attacker could exploit this by persuading a user to follow a crafted link designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page, redirecting the user to potentially malicious websites, or conduct further client-side attacks.

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

XSS

Weakness Enumeration

CWE-80

Related Identifiers

BDU:2021-02014

CVE-2021-1420

Affected Products

Cisco Webex Meetings

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-1420 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-VObwRKWV · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02014 · Security Note
• https://t.me/cvenotify/12895 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021040805 · Note
• https://t.me/cvenotify/12912 · Telegram Post