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01 Record

CVE-2021-34410

A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.

UnratedPUBLISHEDCNA: Zoom
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

A user-writable application bundle unpacked during the install for all versions of the Zoom Plugin for Microsoft Outlook for Mac before 5.0.25611.0521 allows for privilege escalation to root.

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
0.22% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 13.4% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/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
2021-09-27 13:55Z5 YR AGO
Last updated
2024-08-04 00:12Z2 YR AGO
Reserved
2021-06-09
Assigning CNA
Zoom
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-732Incorrect Permission Assignment for Critical ResourceClass
Data version
5.1
Document digest
e0e10220f2838cb159dc44cf58ba8e6de0bfc71364ad774b5dce5dfec12004fa

05 Affected products

VendorProductVersionsPlatforms
n/aZoom Plugin for Microsoft Outlook for MacZoom Plugin for Microsoft Outlook for Mac before version 5.0.25611.0521—

06 References