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Medium severity6.5NVD Advisory· Published Nov 18, 2020· Updated Jun 17, 2026

CVE-2020-3471

CVE-2020-3471

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Cisco Systems, Inc./Webex Meetings Server8 versions
    cpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*+ 7 more
    • cpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*range: <3.0
    • cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:webex_meetings_server:4.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release2:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: n/a
  • Cisco Systems, Inc./Webex Meetingsllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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