CVE-2021-28579: Adobe Connect improper access control could lead to privilege escalation

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-28 · updated 2026-06-17
Weakness: CWE-284

Description

Adobe Connect version 11.2.1 (and earlier) is affected by an Improper access control vulnerability that can lead to the elevation of privileges. An attacker with 'Learner' permissions can leverage this scenario to access the list of event participants.

Affected products

Adobe Connect: before 11.2.2 — fixed in 11.2.2

How to fix

Upgrade to a fixed version: Adobe Connect 11.2.2. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/connect/apsb21-36.html
https://helpx.adobe.com/security/products/connect/apsb21-36.html

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