CVE-2021-34586CWE-476

CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS)

High · published October 26, 2021

CVSS v3.1

7.5

EPSS

14%

Percentile

96.5

In the wild

Unconfirmed

What it is

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service 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: 0.13741 · 96.5th percentile
Weakness: CWE-476 · NULL Pointer Dereference
Published: 2021-10-26T09:55Z

EPSS history

Timeline

26 OCT 09:55Z
CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS)
cvelistv5