Vulnerability · Published Jul 20, 2022 · Assigned by juniper

CVE-2022-22212Junos OS Evolved: A high rate of specific hostbound traffic will cause unexpected hostbound traffic delays or drops

High 7.5

In plain English

A high-severity resource allocation without limits in Junos OS Evolved from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.8%top 42.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Juniper Networks	Junos OS Evolved	21.2 – before 21.2R3-EVO21.3 – before 21.3R2-EVO

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://kb.juniper.net/JSA69716 x_refsource_CONFIRM