Vulnerability in Juniper Networks Junos OS
CVE-2026-102033
An Improper Validation of Specified Quantity in Input vulnerability in l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker to cause a denial of service via an ICCP MC-LAG message.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Juniper Networks Junos OS
- Juniper Networks Junos OS Evolved — versions 23.4X100
Weakness classification (CWE)
References
- supportportal.juniper.net/JSA112187 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-102033?
- CVE-2026-102033 is a medium-severity vulnerability in Juniper Networks Junos OS, classified under Improper Validation of Specified Quantity in Input. CVSS score: 6.5/10. Published 2026-10-14.
- How severe is CVE-2026-102033?
- Medium severity. CVSS v3 base score is 6.5 out of 10.