CVE-2021-1420: medium-severity vulnerability in Cisco Webex Meetings
Cisco Webex Meetings HTML Injection Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.7epss 1.0%
A vulnerability in certain web pages of Cisco Webex Meetings could allow an unauthenticated, remote attacker to modify a web page in the context of a user's browser. The vulnerability is due to improper checks on parameter values in affected pages. An attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Affected products
Cisco · Cisco Webex MeetingsRelated CVEs — Cisco Webex Meetings
In the same product, most dangerous first.
CVE-2020-3440MEDIUMCisco Webex Meetings Desktop App for Windows Arbitrary File Overwrite VulnerabilityEPSS 2.6%CVE-2020-3194HIGHCisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution VulnerabilityEPSS 2.0%CVE-2021-1310MEDIUMCisco Webex Meetings Open Redirect VulnerabilityEPSS 1.6%CVE-2020-3142HIGHCisco Webex Meetings Suite and Cisco Webex Meetings Online Unauthenticated Meeting Join VulnerabilityEPSS 1.5%CVE-2019-15960MEDIUMCisco Webex Network Recording Admin Page Privilege Escalation VulnerabilityEPSS 1.1%CVE-2020-3472MEDIUMCisco Webex Meetings User Email Address Information Disclosure VulnerabilityEPSS 1.1%