Deserialization of Untrusted Data Vulnerability in Adobe Connect
CVE-2025-27203

9.6CRITICAL

Key Information:

Vendor

Adobe
Status
Adobe Connect
Vendor
CVE Published:
8 July 2025

What is CVE-2025-27203?

Adobe Connect versions 24.0 and earlier are susceptible to a deserialization of untrusted data issue that may allow attackers to execute arbitrary code. Successful exploitation necessitates user interaction, making it a potential risk for clients who engage with malicious content. Organizations utilizing Adobe Connect are urged to update to the latest version as an essential step in safeguarding their systems.

Affected Version(s)

Adobe Connect 0 <= 24.0

References

https://helpx.adobe.com/security/products/connect/apsb25-...
vendor-advisory

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-27203 : Deserialization of Untrusted Data Vulnerability in Adobe Connect