CVE-2020-3471 Cisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposure Vulnerability
An unauthenticated attacker can maintain audio access to a Webex session after being expelled, allowing unauthorized eavesdropping.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-3471?
CVE-2020-3471 is a medium-severity vulnerability in Cisco Webex Meetings Server, published on 18 Nov 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to maintain bidirectional audio despite being expelled from an active Webex session. The vulnerability is due to a synchronization issue between meeting and media services on a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. A successful exploit could allow the attacker to maintain the audio connection of a Webex session despite being expelled.
Which versions are affected by CVE-2020-3471?
It affects 1 product.
Products include Cisco Webex Meetings Server.
How do I fix CVE-2020-3471?
No fix has been published for CVE-2020-3471 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3471 being exploited?
There is no known exploitation of CVE-2020-3471 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings Server
- CVE-2017-12367 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2015-0589 Command injection in n/a
- CVE-2017-3794 Cross-site request forgery in Cisco WebEx Meetings Server 2.6
- CVE-2016-1448 Cross-site request forgery in n/a
- CVE-2016-1446 SQL injection in n/a
Sources
Also known as GHSA-925x-95jq-3vgq.