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01 Record

CVE-2021-30480

Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or

HighPUBLISHEDCNA: mitre
CNA base score8.5 CVSS v3.xCVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N
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02 Description

Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or

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
7.21% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 94.2% of scored records. A rank, not a probability.
NVD base score
8.8 (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: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.

04 Metadata

Published
2021-04-09 22:03Z5 YR AGO
Last updated
2024-08-03 22:32Z2 YR AGO
Reserved
2021-04-09
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 8.5)
CNA CVSS vector
CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N
Weaknesses
No CWE assigned
Data version
5.1
Document digest
1c22af4d5de61c0166730a44b905286642daadb32231a756732dc37d43b0b42f

05 Affected products

VendorProductVersionsPlatforms
applemacosNot specified—
microsoftwindowsNot specified—
zoomchatNot specified—

06 References