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Connect CVE-2025-27203

| EUVDEUVD-2025-20691 CRITICAL
Deserialization of Untrusted Data (CWE-502)
2025-07-08 psirt@adobe.com
9.6
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.6 CRITICAL
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20691
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
CVE Published
Jul 08, 2025 - 22:15 nvd
CRITICAL 9.6

DescriptionCVE.org

Adobe Connect versions 24.0 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could lead to arbitrary code execution by an attacker. Exploitation of this issue does require user interaction and scope is changed.

AnalysisAI

Arbitrary code execution in Adobe Connect 24.0 and earlier allows remote attackers to execute arbitrary code through deserialization of untrusted data. Exploitation requires user interaction and changes scope. While no public exploit or active exploitation is confirmed, the EPSS score of 14.72% (94th percentile) indicates a heightened probability of exploitation.

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CVE-2025-27203 vulnerability details – vuln.today

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