Medium severity · published Apr 5, 2023
CVE-2023-20134
Cisco Webex Meetings Web UI Vulnerabilities
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Multiple vulnerabilities in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack or upload arbitrary files as recordings. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CW
Cisco Webex Meetings · Cisco
All versions, or not specified · source: vendor
WM
Webex Meetings · Cisco
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20134
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20134
Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wbx-sxss-fupl-64uHbcm5
More from Cisco Webex Meetings
9.8
CVE-2026-20184
Cisco Webex Meetings Certificate Validation Vulnerability
8.8
CVE-2022-20763
Cisco Webex Meetings Java Deserialization Vulnerability
7.8
CVE-2021-1526
Cisco Webex Player Memory Corruption Vulnerability
7.8
CVE-2021-1503
Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability
7.8
CVE-2021-1502
Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability