CVE-2022-22212

Junos OS Evolved: A high rate of specific hostbound traffic will cause unexpected hostbound traffic delays or drops

Description

An Allocation of Resources Without Limits or Throttling vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows unauthenticated network based attacker to cause a Denial of Service (DoS). On all Junos Evolved platforms hostbound protocols will be impacted by a high rate of specific hostbound traffic from ports on a PFE. Continued receipt of this amount of traffic will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS Evolved: 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.2R1.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases.

Workaround:

  • There are no viable workarounds for this issue. To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to only trusted networks, hosts and users.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.41%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA69716 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22212?
CVE-2022-22212 has been scored as a high severity vulnerability.
How to fix CVE-2022-22212?
To fix CVE-2022-22212: The following software releases have been updated to resolve this specific issue: 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases.
Is CVE-2022-22212 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22212 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-22212?
CVE-2022-22212 affects Juniper Networks Junos OS Evolved.
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