High [CVE-2026-57028] Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause license exhaustion
This high-severity Juniper Networks advisory covers CVE-2026-57028 affecting Junos OS Evolved, Junos OS, Junos.
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Summary
An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause license exhaustion.
Due to an incorrect initialization, a process which should only be able to communicate internally within the device, can be reached over the network via an open port. This leads to unauthorized access to the license management.
This issue affects all Junos OS Evolved versions before 23.2R2-EVO.
- before 23.2R2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 23.2R2-EVO
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 23.2R2-EVO. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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