CVE-2020-3441: cisco cisco webex meetings server Improper Input Validation
Vulnerability summary
CVE-2020-3441 is a medium (CVSS 5.3) Improper Input Validation vulnerability in cisco cisco webex meetings server. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 74.9% of scored vulnerabilities.
Timeline
- 18-11-2020PublishedVulnerability first disclosed.
- 13-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to view sensitive information from the meeting room lobby. This vulnerability is due to insufficient protection of sensitive participant information. An attacker could exploit this vulnerability by browsing the Webex roster. A successful exploit could allow the attacker to gather information about other Webex participants, such as email address and IP address, while waiting in the lobby.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
1.57%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.57% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco3 products
- cisco webex meetings servern/a
- webex_meetings≤ 40.6.11 | ≤ 40.11.3
- webex_meetings_server< 3.0 | 3.0:maintenance_release2 | 3.0:maintenance_release3 | 4.0 | 4.0:maintenance_release1 | 4.0:maintenance_release2
1 vendor · 3 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-infodisc-4tvQzn4Vendor AdvisoryX Refsource CISCO