CVE-2025-27203

Description

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.

CVSS v3.1 Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
adobe	connect_desktop_application	< 2025.5.5

References

Advisories & Patches

https://helpx.adobe.com/security/products/connect/apsb25-61.html

Frequently Asked Questions

What is CVE-2025-27203? +

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. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2025-27203? +

CVE-2025-27203 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-27203? +

CVE-2025-27203 affects products from adobe, specifically: connect_desktop_application. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-27203? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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