CVE-2020-3182
lowpriority · track · 17EPSS 0.005 · 43 %ileEURUUSEPSS · scored 2026-10-27
A vulnerability in the multicast DNS (mDNS) protocol configuration of Cisco Webex Meetings Client for MacOS could allow an unauthenticated adjacent attacker to obtain sensitive information about the device on which the Webex client is running. The vulnerability exists because sensitive information is included in the mDNS reply. An attacker could exploit this vulnerability by doing an mDNS query for a particular service against an affected device. A successful exploit could allow the attacker to gain access to sensitive information.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Webex Meetingscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–4.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-webex-info-disc-OHqg982Cisco Webex Meetings Client for MacOS Information Disclosure Vulnerability2020-03-04csaf · cisco_csafUS
A vulnerability in the multicast DNS (mDNS) protocol configuration of Cisco Webex Meetings Client for MacOS could allow an unauthenticated adjacent attacker to obtain sensitive information about the device on which the Webex client is running. The vulnerability exists because sensitive information is included in the mDNS reply. An attacker could exploit this vulnerability by doing an mDNS query for a particular service against an affected device. A successful exploit could allow the attacker to gain access to sensitive information. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-disc-OHqg982 ["https://tvce.cisco.com/security/AIMS/https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-disc-OHqg982"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr98226Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-3182cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-disc-OHqg982cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.0810/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-disc-OHqg982enisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-info-disc-OHqg982Vendor Advisorynvd
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