CVE-2020-3471
Cisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposure Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Una vulnerabilidad en Cisco Webex Meetings y Cisco Webex Meetings Server, podría permitir a un atacante remoto no autenticado mantener el audio bidireccional a pesar de haber sido expulsado de una sesión Webex activa. La vulnerabilidad es debido a un problema de sincronización entre los servicios meeting y media en un sitio Webex vulnerable. Un atacante podría explotar esta vulnerabilidad mediante el envío peticiones diseñadas a un sitio vulnerable de Cisco Webex Meetings o Cisco Webex Meetings Server. Una explotación con éxito podría permitir al atacante mantener la conexión de audio de una sesión de Webex a pesar de haber sido expulsado
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2019-12-12 CVE Reserved
- 2020-11-18 CVE Published
- 2024-09-07 EPSS Updated
- 2024-11-13 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-662: Improper Synchronization
CAPEC
References (1)
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Cisco Search vendor "Cisco" | Webex Meetings Server Search vendor "Cisco" for product "Webex Meetings Server" | < 3.0 Search vendor "Cisco" for product "Webex Meetings Server" and version " < 3.0" | - |
Affected
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| Cisco Search vendor "Cisco" | Webex Meetings Server Search vendor "Cisco" for product "Webex Meetings Server" | 3.0 Search vendor "Cisco" for product "Webex Meetings Server" and version "3.0" | maintenance_release2 |
Affected
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| Cisco Search vendor "Cisco" | Webex Meetings Server Search vendor "Cisco" for product "Webex Meetings Server" | 3.0 Search vendor "Cisco" for product "Webex Meetings Server" and version "3.0" | maintenance_release3 |
Affected
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| Cisco Search vendor "Cisco" | Webex Meetings Server Search vendor "Cisco" for product "Webex Meetings Server" | 4.0 Search vendor "Cisco" for product "Webex Meetings Server" and version "4.0" | - |
Affected
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| Cisco Search vendor "Cisco" | Webex Meetings Server Search vendor "Cisco" for product "Webex Meetings Server" | 4.0 Search vendor "Cisco" for product "Webex Meetings Server" and version "4.0" | maintenance_release1 |
Affected
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| Cisco Search vendor "Cisco" | Webex Meetings Server Search vendor "Cisco" for product "Webex Meetings Server" | 4.0 Search vendor "Cisco" for product "Webex Meetings Server" and version "4.0" | maintenance_release2 |
Affected
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