CVE-2022-22203

Junos OS: EX4600 Series and QFX5000 Series: Receipt of specific traffic will lead to an fxpc process crash followed by an FPC reboot

Description

An Incorrect Comparison vulnerability in PFE of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a Denial of Service (DoS). On QFX5000 Series, and EX4600 and EX4650 platforms, the fxpc process will crash followed by the FPC reboot upon receipt of a specific hostbound packet. Continued receipt of these specific packets will create a sustained Denial of Service (DoS) condition. This issue only affects Juniper Networks Junos OS 19.4 version 19.4R3-S4.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 19.4R3-S5, and all subsequent releases.

Workaround:

  • There are no viable workarounds for this issue.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.13%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA69707 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22203?
CVE-2022-22203 has been scored as a medium severity vulnerability.
How to fix CVE-2022-22203?
To fix CVE-2022-22203: The following software releases have been updated to resolve this specific issue: 19.4R3-S5, and all subsequent releases.
Is CVE-2022-22203 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22203 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-2022-22203?
CVE-2022-22203 affects Juniper Networks Junos OS.
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