A NULL Pointer Dereference vulnerability in the rpd routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured BGP peer to cause a denial of service via a BGP UPDATE when ISO-VPN and egress-protection configuration is enabled.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact Low

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Juniper Networks
  • Junos Os
  • Junos Os Evolved

No data.

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References
Link Providers
https://supportportal.juniper.net/JSA112187 cve-icon cve-icon
History

Sun, 18 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 16 Oct 2026 23:15:00 +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

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

Type Values Removed Values Added
Description A NULL Pointer Dereference vulnerability in the rpd routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated configured BGP peer to cause a denial of service via a BGP UPDATE when ISO-VPN and egress-protection configuration is enabled.
Title Junos OS and Junos OS Evolved: An attacker causes a routing-daemon crash when BGP ISO-VPN egress protection is enabled
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-14T16:41:35.328Z

Updated: 2026-10-18T13:54:08.858Z

Reserved: 2026-09-28T16:22:33.604Z

Link: CVE-2026-101940

cve-icon Vulnrichment

Updated: 2026-10-18T13:47:41.606Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:17:46.543

Modified: 2026-10-18T14:16:52.630

Link: CVE-2026-101940

cve-icon Redhat

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