A Heap-based Buffer Overflow vulnerability in the secure-dot1xd process of Juniper Networks on Junos OS and Junos OS Evolved allows an unauthenticated adjacent network attacker to execute code as root or cause a denial of service via an EAPOL frame sent to an 802.1X-authenticated interface.
History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
Juniper Networks junos Os Evolved
Vendors & Products Juniper Networks
Juniper Networks junos Os
Juniper Networks junos Os Evolved

Fri, 16 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description A Heap-based Buffer Overflow vulnerability in the secure-dot1xd process of Juniper Networks on Junos OS and Junos OS Evolved allows an unauthenticated adjacent network attacker to execute code as root or cause a denial of service via an EAPOL frame sent to an 802.1X-authenticated interface.
Title Junos OS and Junos OS Evolved: An attacker causes root code execution when 802.1X authentication is used
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M'}


cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-14T16:45:25.661Z

Updated: 2026-10-16T14:18:51.978Z

Reserved: 2026-09-28T17:33:49.410Z

Link: CVE-2026-102015

cve-icon Vulnrichment

Updated: 2026-10-16T14:18:13.831Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:17:53.993

Modified: 2026-10-16T15:17:00.547

Link: CVE-2026-102015

cve-icon Redhat

No data.