CVE-2025-42928CWE-502insecure-deserialization

CVE-2025-42928

Critical · published December 9, 2025

CVSS v3.1
9.1
EPSS
9%
Percentile
95.4
In the wild
Unconfirmed
What it is

🚨 A high privileged user can exploit a sneaky deserialization vulnerability in SAP jConnect to execute remote code with just the right crafted input! 🔥 Think of this as a restaurant chef who can access the entire kitchen but has a loophole that lets them change the menu with a single sneaky request — suddenly, every dish can be altered! 🍽️ An attacker leveraging this flaw could gain complete control over the system, potentially compromising confidentiality, integrity, and availability. This is absolutely devastating, as sensitive information could be exposed, altered, or even deleted at will!

Put simply

Think of this as a restaurant chef who can access the entire kitchen but has a loophole that lets them change the menu with a single sneaky request — suddenly, every dish can be altered! 🍽️ This deserialization vulnerability allows high privileged users to manipulate data formats in a way that triggers arbitrary code execution. Essentially, it opens the door for malicious payloads to run without proper checks.

What to do

An attacker leveraging this flaw could gain complete control over the system, potentially compromising confidentiality, integrity, and availability. This is absolutely devastating, as sensitive information could be exposed, altered, or even deleted at will! To protect your system, immediately update SAP jConnect to the latest version that addresses this vulnerability. Conduct a thorough security audit of your applications and ensure that proper input validation is implemented to mitigate such deserialization risks. You've got this! Follow these steps, and you'll be on your way to securing your systems and achieving hero status! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.09480 · 95.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-12-09T21:17Z
References (2)
EPSS history
Timeline
  • 09 DEC 02:15Z
    Deserialization Vulnerability in SAP jConnect - SDK for ASE
    cvelistv5