Cisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposure Vulnerability
Published Nov 18, 2020
6.5
MEDIUMCVSS 3.1
EPSS 1.76%
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.
Affected products
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||
|---|---|---|---|---|---|---|
| Cisco | Cisco WebEx Meetings Server | n/a |
|
- < 3.0
- 3.0
- 3.0
- 4.0
- 4.0
- 4.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Nov 13, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.76% (0.01756) | 77.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.73% (0.01734) | 74.63th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.19% (0.00188) | 56.65th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.18% (0.00184) | 54.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00175) | 52.88th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.25% (0.05246) | 75.87th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.44% (0.02445) | 54.79th | v1 |
| Jan 6, 2022 | 2.44% (0.02445) | 54.36th | v1 |
| Oct 9, 2021 | 0.56% (0.00556) | 33.64th | v1 |
| Oct 8, 2021 | 2.44% (0.02445) | 78.06th | v5 (v2026.06.15) |
| Aug 8, 2021 | 2.44% (0.02445) | 0.00th | v1 |
| Apr 14, 2021 | 0.56% (0.00556) | 0.00th | v1 |
References (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-leak-PhpzB3sG vendor-advisoryx_refsource_CISCOVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-leak-PhpzB3sG | vendor-advisoryx_refsource_CISCOVendor Advisory |
Change history (0)
No recorded changes yet.