CVE-2026-102048CWE-770denial-of-service

CVE-2026-102048

Medium · published October 14, 2026

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

An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is enabled on a VPLS routing instance with VLAN-VPLS encapsulation enabled.

This issue affects all platforms except the PTX Series and SRX Series.

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
0.00268 · 18.0th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-14T21:17Z
References (1)
https://supportportal.juniper.net/JSA112188 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:53Z
    Junos OS: An attacker causes l2cpd crash when FNP is used with VLAN-VPLS encapsulation enabled
    cvelistv5
  • 14 OCT 16:53Z
    Junos OS: An attacker causes l2cpd crash when FNP is used with VLAN-VPLS encapsulation enabled
    cvelistv5