Use of Uninitialized Variable in Experion PKS - CVE-2025-2520
Published: July 25, 2025
Vulnerability identifier: #VU113212
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-2520
CWE-ID: CWE-457
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized variable in the common Epic Platform Analyzer (EPA) communications. A remote attacker can cause a denial of service condition on the target system.
Affected software
Experion PKS
How to mitigate CVE-2025-2520
Install updates from vendor's website.
Experion PKS - addressed in versions R520.2 TCU9 Hot Fix 1, R530 TCU3 Hot Fix 1