CVE-2021-21002CWE-772

Denial of Service in Phoenix Contact FL COMSERVER UNI products

High · published June 25, 2021

CVSS v3.1
7.5
EPSS
1%
Percentile
61.2
In the wild
Unconfirmed
What it is

In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service.

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
0.00961 · 61.2th percentile
Weakness
CWE-772 · Missing Release of Resource after Effective Lifetime
Published
2021-06-25T18:25Z
EPSS history
Timeline
  • 25 JUN 18:25Z
    Denial of Service in Phoenix Contact FL COMSERVER UNI products
    cvelistv5