What is CVE-2022-22207?

CVE-2022-22207 is a high-severity vulnerability in Juniper Junos, classified under Use After Free. CVSS score: 7.5/10. Published 2022-07-20.

How severe is CVE-2022-22207?

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

Use After Free in Juniper Junos

CVE-2022-22207

A Use After Free vulnerability in the Advanced Forwarding Toolkit (AFT) manager process (aftmand) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS). Continued gathering of AF interface statistics will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on MX Series: 20.1 versions later than 20.1R1; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.

Vulnerability class: Use-After-Free

EPSS: 0.008 (53.6th 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 — versions 20.1, 20.2, 20.3
Juniper Mx10
Juniper Mx10000
Juniper Mx10003
Juniper Mx10008
Juniper Mx10016
Juniper Mx104
Juniper Mx150
Juniper Mx2008
Juniper Mx2010

Weakness classification (CWE)

CWE-416 — Use After Free

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22207?: CVE-2022-22207 is a high-severity vulnerability in Juniper Junos, classified under Use After Free. CVSS score: 7.5/10. Published 2022-07-20.
How severe is CVE-2022-22207?: High severity. CVSS v3 base score is 7.5 out of 10.