XSS in Microsoft Windows
CVE-2023-34121
Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Microsoft Windows
- Zoom Rooms
- Zoom Virtual Desktop Infrastructure
- Zoom
- Zoom Video Communications, Inc. For Windows — versions before 5.14.0
- Zoom Video Communications, Inc. Rooms Client For Windows — versions before 5.14.0
- Zoomzoom Video Communications, Inc. Zoom Vdi For Windows Meeting Clients — versions before 5.14.0
Weakness classification (CWE)
References
- explore.zoom.us/en/trust/security/security-bulletin/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-34121?
- CVE-2023-34121 is a medium-severity vulnerability in Microsoft Windows, classified under Cross-site Scripting. CVSS score: 4.1/10. Published 2023-06-13.
- How severe is CVE-2023-34121?
- Medium severity. CVSS v3 base score is 4.1 out of 10.