CVE-2026-102033CWE-1284

CVE-2026-102033

Medium · published October 14, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
18.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M
EPSS
0.00269 · 18.0th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2026-10-14T21:17Z
References (1)
https://supportportal.juniper.net/JSA112187 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:50Z
    Junos OS and Junos OS Evolved: An attacker causes denial of service when MC-LAG MAC synchronization is enabled
    cvelistv5
  • 14 OCT 16:50Z
    Junos OS and Junos OS Evolved: An attacker causes denial of service when MC-LAG MAC synchronization is enabled
    cvelistv5