CVE-2025-27203CWE-502

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

Critical · published July 8, 2025

CVSS v3.1
9.6
EPSS
1%
Percentile
68.0
In the wild
Unconfirmed
What it is

🚨 A sneaky deserialization flaw in Adobe Connect is lurking, and it's absolutely devastating! An attacker could execute arbitrary code just by getting you to click on the wrong link! 🔥 Think of it like a restaurant that takes your order but doesn't double-check the ingredients before they start cooking. If a rogue chef slips in a dangerous dish, the whole meal could turn into a disaster! An attacker could manipulate data sent to Adobe Connect, which could lead to them running harmful commands on your system. This means they could potentially access sensitive information or take control of your environment, leaving you in a tight spot!

Put simply

Think of it like a restaurant that takes your order but doesn't double-check the ingredients before they start cooking. If a rogue chef slips in a dangerous dish, the whole meal could turn into a disaster! This vulnerability allows an attacker to exploit deserialization of untrusted data in Adobe Connect versions 24.0 and earlier, which can result in arbitrary code execution—essentially, the system trusts unverified data and runs it without proper checks!

What to do

An attacker could manipulate data sent to Adobe Connect, which could lead to them running harmful commands on your system. This means they could potentially access sensitive information or take control of your environment, leaving you in a tight spot! Immediately upgrade Adobe Connect to version 25.0 or later to mitigate this critical issue. Educate users about the risks of clicking on suspicious links and enable strict input validation to further protect your system. 🛡️ You've got this! By following these steps, you'll be a security hero, ensuring your environment is safe and sound! 😄

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01203 · 68.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-07-08T21:25Z
EPSS history
Timeline
  • 08 JUL 21:25Z
    Adobe Connect | Deserialization of Untrusted Data (CWE-502)
    cvelistv5