Auth bypass in Juniper Jnp10k-lc1201
CVE-2026-33788
A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators (FPCs) of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FP…
Vulnerability class: Broken Authentication
EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Juniper Jnp10k-lc1201
- Juniper Jnp10k-lc1202
- Juniper Junos — versions 21.2, 21.4, 22.2
- Juniper Ptx100016
- Juniper Ptx10004
- Juniper Ptx10008
- Juniper Networks Junos Os Evolved — versions 0, 21.4-EVO, 22.2-EVO
Weakness classification (CWE)
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-33788?
- CVE-2026-33788 is a high-severity vulnerability in Juniper Jnp10k-lc1201, classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2026-04-09.
- How severe is CVE-2026-33788?
- High severity. CVSS v3 base score is 7.8 out of 10.