What is CVE-2026-33803?

CVE-2026-33803 is a medium-severity vulnerability in Juniper Networks Junos Os Evolved, classified under CWE-923. CVSS score: 6.5/10. Published 2026-07-09.

How severe is CVE-2026-33803?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Juniper Networks Junos Os Evolved

CVE-2026-33803

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact t…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Juniper Networks Junos Os Evolved — versions 0, 23.4, 24.2

Weakness classification (CWE)

CWE-923

References

sirt@juniper.net (vendor-advisory)

Frequently asked questions

What is CVE-2026-33803?: CVE-2026-33803 is a medium-severity vulnerability in Juniper Networks Junos Os Evolved, classified under CWE-923. CVSS score: 6.5/10. Published 2026-07-09.
How severe is CVE-2026-33803?: Medium severity. CVSS v3 base score is 6.5 out of 10.