Vulnerability in Juniper Junos OS Evolved
CVE-2026-57028
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.
EPSS: 0.002 (7.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Juniper Junos_os_evolved — versions 23.2
- Juniper Networks Junos Os Evolved — versions 0
Weakness classification (CWE)
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-57028?
- CVE-2026-57028 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under CWE-923. CVSS score: 7.3/10. Published 2026-07-09.
- How severe is CVE-2026-57028?
- High severity. CVSS v3 base score is 7.3 out of 10.