What’s Vulnerable › Vulnerabilities
CVE-2026-57028: Junos OS Evolved: A port which has been inadvertently exposed can be reached by an attacker
- Severity: high (CVSS 7.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-09 · updated 2026-10-25
- Weakness: CWE-923
Description
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.
Affected products
- Juniper Networks Junos OS Evolved: before 23.2; 23.2, 23.2-r1, 23.2-r1-s1, 23.2-r1-s2 — fixed in 23.2
How to fix
Upgrade to a fixed version: Juniper Networks Junos OS Evolved 23.2. Check the vendor advisory for mitigations.
References
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