CVE-2020-3471

mediumPriorität · verfolgen · 27EPSS 0.018 · 78. PerzentilEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.76% (78th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Prüfe deine Angriffsfläche

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · bewertet 2026-10-27

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.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenCisco WebEx Meetings Servercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
BehobenCisco Webex Meetingscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

6.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nprimary · NVD / NIST USAusnutzbarkeit 2.8 · Auswirkung 3.6

v3.16.5mediumAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · psirt@cisco.com USAusnutzbarkeit 2.8 · Auswirkung 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:Nsecondary · Cisco PSIRT US

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Trackcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-662USprimärCWE-20USCWE-20US

betroffene Produkte (8)

Betroffene Produkte und Versionsbereiche.

Cisco Cisco WebEx Meetings Serveralle Versionencisco_csafUS
Cisco Cisco Webex Meetingsalle Versionencisco_csafUS
Cisco Cisco WebEx Meetings Server≤ n/aenisa_euvdEU
Cisco Systems Inc. Cisco WebEx Meetings Server≤ 3.0 MR Patch 4fstec_bduRU
Cisco Systems Inc. Cisco WebEx Meetings Server≤ 4.0 MR3 Patch 3fstec_bduRU
cisco webex meetings server< 3.0nvdUScpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*
cisco webex meetings server= 3.0nvdUScpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*
cisco webex meetings server= 4.0nvdUScpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

cisco-sa-webex-info-leak-PhpzB3sGCisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposure Vulnerability2020-11-18csaf · cisco_csafUS
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. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-leak-PhpzB3sG ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-leak-PhpzB3sG"]

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cisco_csaf nvd NVD CVE.org MITRE

veröffentlicht 2020-11-18geändert 2026-06-17

verwandt (263)

Verwandte Einträge.

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On Telus Actiontec WEB6000Q v1.1.02.22 devices, an attacker can login with root level access with the user "root" and password "admin" by using the enabled onboard UART headers.
CVE-2024-32644US	critical9.1	0.94% (61st)	—	2024-04-19
Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Prior to 17.0.0, there is a way to mint arbitrary token…
CVE-2022-23005US	high8.7	0.81% (57th)	—	2023-01-23
Western Digital has identified a weakness in the UFS standard that could result in a security vulnerability. This vulnerability may exist in some systems where the Host boot ROM co…

+258 weitere

Referenzen (5)

Externe Belege — Patches, Meldungen, Analysen.

scry

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