CVE-2022-22247CWE-20

Junos OS Evolved: Kernel processing of unvalidated TCP segments could lead to a Denial of Service (DoS)

High · published October 18, 2022

CVSS v3.1
7.5
EPSS
1%
Percentile
51.6
In the wild
Unconfirmed
What it is

An Improper Input Validation vulnerability in ingress TCP segment processing of Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker to send a crafted TCP segment to the device, triggering a kernel panic, leading to a Denial of Service (DoS) condition. Continued receipt and processing of this TCP segment could create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.3R1-EVO.

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
0.00676 · 51.6th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2022-10-18T02:46Z
EPSS history
Timeline
  • 18 OCT 02:46Z
    Junos OS Evolved: Kernel processing of unvalidated TCP segments could lead to a Denial of Service (DoS)
    cvelistv5