CVE-2021-30480

What it is

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 an external party who has been accepted as a contact. NOTE: this is specific to the Zoom Chat software, which is different from the chat feature of the Zoom Meetings and Zoom Video Webinars software.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

7.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-04-09 23:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:50 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 7.2% in the next 30 days (EPSS).
• Severity: 8.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-04-09 23:15 UTC

Last modified

2026-06-17 03:50 UTC

Exploit probability

7.2% · EPSS, next 30 days

Record status

Modified

Affected

• Zoom Chat ≤ 2021-04-09

Attack profile CVSS 3.1 · 8.5

Attack vector

Network

Complexity

High

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-30480.md and follow it. Check whether this project is affected by CVE-2021-30480. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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