CVE-2021-34417

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

1.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.0% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/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.

Published

2021-11-11 23:00Z4 YR AGO

Last updated

2024-09-16 17:07Z1 YR AGO

Reserved

2021-06-09

Assigning CNA

Zoom

Record state

PUBLISHED

Severity

High (CVSS 7.9)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

7d8d1334d68abaf8d424d427aa426f0023ca29e04e9e75090eb7bbf93ebe47e7

• explore.zoom.ushttps://explore.zoom.us/en/trust/security/security-bulletinx_refsource_MISC