What is CVE-2022-22191?

CVE-2022-22191 is a medium-severity vulnerability in Juniper Ex4300, classified under CWE-410. CVSS score: 6.5/10. Published 2022-04-14.

How severe is CVE-2022-22191?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Juniper Ex4300

CVE-2022-22191

A Denial of Service (DoS) vulnerability in the processing of a flood of specific ARP traffic in Juniper Networks Junos OS on the EX4300 switch, sent from the local broadcast domain, may allow an unauthenticated network-adjacent attacker to…

EPSS: 0.004 (27.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Ex4300
Juniper Junos — versions 15.1, 18.4, 19.1
Juniper Networks Junos Os — versions unspecified, 18.4, 19.1

Weakness classification (CWE)

CWE-410
CWE-400 — Uncontrolled Resource Consumption

References

sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2022-22191?: CVE-2022-22191 is a medium-severity vulnerability in Juniper Ex4300, classified under CWE-410. CVSS score: 6.5/10. Published 2022-04-14.
How severe is CVE-2022-22191?: Medium severity. CVSS v3 base score is 6.5 out of 10.