CVE-2021-40719

Adobe Connect Deserialization of Untrusted Data Remote Code Execution

State: Published
Severity: 9.8 Critical
Published: Oct 21, 2021
Updated: Apr 23, 2025
Reserved: Sep 8, 2021

Description

Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe Connect server. An attacker can leverage this to execute remote code execution on the server.

Scores

CVSS	Score	Vector	Source
3.0	9.8 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	adobe

Weaknesses

CWE-502 Deserialization of Untrusted Data (CWE-502)

Affected Products

Product	Versions
ConnectAdobe	11.2.3 and earlierAffected None and earlierAffected

References

https://helpx.adobe.com/security/products/connect/apsb21-91.html

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