CVE-2025-27203

Adobe Connect | Deserialization of Untrusted Data (CWE-502)

At a glance

Severity: CRITICAL 9.6
EPSS: EPSS 1.20 % · percentile 68 (2026-10-27)
State: PUBLISHED
Published: 2025-07-08
Updated: 2026-02-26
Assigner: adobe
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	adobe
CVSS 3.1	CRITICAL 9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	NVD · psirt@adobe.com (Secondary)

Weaknesses (CWE)

CWE-502

European references

ENISA EUVD · EUVD-2025-20691
GCVE · GCVE-0-2025-27203

Affected configurations (NVD CPE)

cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:windows:*:* < 2025.5.5

Affected products

Product	Versions
Adobe · Adobe Connect	affected 0 ≤ 24.0

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD