CVE-2026-3509CWE-134

CODESYS Control Audit Log Format String DoS

High · published March 24, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
47.8
In the wild
Unconfirmed
What it is

An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00596 · 47.8th percentile
Weakness
CWE-134 · Use of Externally-Controlled Format String
Published
2026-03-24T07:42Z
EPSS history
Timeline
  • 24 MAR 07:42Z
    CODESYS Control Audit Log Format String DoS
    cvelistv5