CVE-2026-102054
Awaiting Analysis Awaiting Analysis - Queue

Improper Handling of Length Parameter Inconsistency in Juniper Junos OS

Publication date: 2026-10-14

Last updated on: 2026-10-14

Assigner: Juniper Networks, Inc.

Description
An Improper Handling of Length Parameter Inconsistency vulnerability in L2ALM of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to obtain stale PFE packet memory via VXLAN overlay-ping traffic sent to a local VTEP.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-14
Last Modified
2026-10-14
Generated
2026-11-08
AI Q&A
2026-10-15
EPSS Evaluated
2026-11-07
NVD
CVE-2026-102054
EUVD
EUVD-2026-101378

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-130 The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves improper handling of length parameters in L2ALM of Juniper Networks Junos OS and Junos OS Evolved. An unauthenticated attacker on the same network can exploit it by sending VXLAN overlay-ping traffic to a local VTEP, potentially accessing stale PFE packet memory.

Impact Analysis

An attacker could exploit this to obtain sensitive packet memory, which may include confidential or proprietary data. This could lead to information disclosure or unauthorized access to network traffic.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized access to packet memory via VXLAN overlay-ping traffic. Unauthorized access to memory may lead to data exposure or integrity issues, which are critical concerns under GDPR's data protection principles and HIPAA's safeguards for protected health information.

Mitigation Strategies

Apply the latest Junos OS or Junos OS Evolved security patches from Juniper Networks to address the L2ALM vulnerability. Monitor VXLAN overlay-ping traffic for unusual patterns and restrict access to local VTEP interfaces.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-102054. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...