01 Record
CVE-2023-49646
Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.
MediumPUBLISHEDCNA: Zoom
CNA base score6.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
02 Description
Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.2% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-12-13 22:19Z2 YR AGO
- Last updated
- 2024-09-20 14:53Z2 YR AGO
- Reserved
- 2023-11-28
- Assigning CNA
- Zoom
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
- Weaknesses
- Data version
- 5.1
- Document digest
- ff0170585a2f22785e35cc627c9792c9fc4f52a35391237e1a6de665028ee180
05 Affected products
VendorProductVersionsPlatforms