CVE-2021-40719 CRITICAL

CVE-2021-40719: Adobe Connect Deserialization of Untrusted Data Remote Code Execution

Vendor Adobe
Product Connect
Weakness CWE-502 · Unsafe deserialization
Published October 21, 2021
Last update April 23, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 21, 2021 CVE published
April 23, 2025 Record updated