What is CVE-2022-22247?

CVE-2022-22247 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-10-18.

How severe is CVE-2022-22247?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Juniper Junos OS Evolved

CVE-2022-22247

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Junos_os_evolved — versions 21.3, 21.4, 22.1
Juniper Networks Junos Os Evolved — versions unspecified, 21.3-EVO, 21.4-EVO

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

sirt@juniper.net (Vendor Advisory)

Frequently asked questions

What is CVE-2022-22247?: CVE-2022-22247 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-10-18.
How severe is CVE-2022-22247?: High severity. CVSS v3 base score is 7.5 out of 10.