What is CVE-2022-22226?

CVE-2022-22226 is a medium-severity vulnerability in Juniper Ex4300, classified under CWE-789. CVSS score: 6.5/10. Published 2022-10-18.

How severe is CVE-2022-22226?

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

Resource exhaustion in Juniper Ex4300

CVE-2022-22226

In VxLAN scenarios on EX4300-MP, EX4600, QFX5000 Series devices an Uncontrolled Memory Allocation vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated adjacently located attacker sendin…

EPSS: 0.003 (21.9th 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 Ex4300-24p
Juniper Ex4300-24p-s
Juniper Ex4300-24t
Juniper Ex4300-24t-s
Juniper Ex4300-32f
Juniper Ex4300-32f-dc
Juniper Ex4300-32f-s
Juniper Ex4300-48mp
Juniper Ex4300-48mp-s

Weakness classification (CWE)

CWE-789
CWE-770 — Allocation of Resources Without Limits or Throttling

References

sirt@juniper.net (Vendor Advisory)
sirt@juniper.net (Vendor Advisory)

Frequently asked questions

What is CVE-2022-22226?: CVE-2022-22226 is a medium-severity vulnerability in Juniper Ex4300, classified under CWE-789. CVSS score: 6.5/10. Published 2022-10-18.
How severe is CVE-2022-22226?: Medium severity. CVSS v3 base score is 6.5 out of 10.