CVE-2026-102047CWE-1288

CVE-2026-102047

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 Consistency within Input vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated Layer 2 attacker to cause a denial of service in associated Layer 2 control protocols via a crafted MVRP Ethernet frame sent to an MVRP-enabled interface.

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-1288 · Improper Validation of Consistency within 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 16:53Z
    Junos OS and Junos OS Evolved: An attacker causes l2cpd denial of service when MVRP is used
    cvelistv5
  • 14 OCT 16:53Z
    Junos OS and Junos OS Evolved: An attacker causes l2cpd denial of service when MVRP is used
    cvelistv5