CVE-2022-22237

Junos OS: Peers not configured for TCP-AO can establish a BGP or LDP session even if authentication is configured locally

Description

An Improper Authentication vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause an impact on confidentiality or integrity. A vulnerability in the processing of TCP-AO will allow a BGP or LDP peer not configured with authentication to establish a session even if the peer is locally configured to use authentication. This could lead to untrusted or unauthorized sessions being established. This issue affects Juniper Networks Junos OS: 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R2-S2, 21.3R3; 21.4 versions prior to 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R1-S1, 22.1R2. This issue does not affect Juniper Networks Junos OS Evolved.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: 21.2R3-S1, 21.3R2-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R1-S1, 22.1R2, 22.2R1, and all subsequent releases.

Workaround:

  • There are no viable workarounds for this issue.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA69893 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22237?
CVE-2022-22237 has been scored as a medium severity vulnerability.
How to fix CVE-2022-22237?
To fix CVE-2022-22237: The following software releases have been updated to resolve this specific issue: 21.2R3-S1, 21.3R2-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R1-S1, 22.1R2, 22.2R1, and all subsequent releases.
Is CVE-2022-22237 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22237 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-2022-22237?
CVE-2022-22237 affects Juniper Networks Junos OS.
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