CVE-2026-102182: critical vulnerability in Juniper Networks Junos OS
Junos OS: MX Series: Certificate-based IKE packets cause root-level code execution
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 0.4%
A Stack-based Buffer Overflow vulnerability in the kmd component of Juniper Networks Junos OS on MX Series allows an unauthenticated network attacker to execute code as root via specific IKE certificate-based packets.
This issue requires IKE to be enabled with an RSA-signature IKE policy to be vulnerable.
This issue affects Junos OS on MX Series:
* All versions before 21.2R3-S11;
* from 21.4 before 21.4R3-S12;
* from 22.2 before 22.2R3-S8;
* from 22.3 before 22.3R3-S5;
* from 22.4 before 22.4R3-S9;
CVSS:4.0/AV:N/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
Affected products
Juniper Networks · Junos OSRelated CVEs — Juniper Networks Junos OS
In the same product, most dangerous first.
CVE-2023-36845CRITICALJunos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to control an important environment variableEPSS 95.1%KEVCVE-2023-36846MEDIUMJunos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary filesEPSS 93.5%KEVCVE-2023-36844MEDIUMJunos OS: EX Series: A PHP vulnerability in J-Web allows an unauthenticated attacker to control important environment variablesEPSS 90.0%KEVCVE-2023-36847MEDIUMJunos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary filesEPSS 83.5%KEVCVE-2020-1631HIGHOut of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) servicesEPSS 4.9%KEVCVE-2025-21590MEDIUMJunos OS: An local attacker with shell access can execute arbitrary codeEPSS 1.7%KEV