VDB
CVE-2020-3471
CVE-2020-3471
PUBLISHED
CVSS 6.5 MEDIUM
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.
EPSS 0.63% · 70.6th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
0.63%
70.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco WebEx Meetings Server | * |
| cisco | webex_meetings_server | 0, 3.0, 3.0 |
Exploit Intelligence
Timeline
- Nov 18, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 9, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- 20201118 Cisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposure Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-3471 advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-prv-esc-nPzWZrQj advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-AUTH-vEypBmmR advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-auth-token-3vg57A5r advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-api-rce-UXwpeDHd advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-BCK-GHkPNZ5F advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-APIA-xZntFS2V advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dna-cmd-injection-rrAYzOwc advisory