CVE-2026-101978: high-severity vulnerability in Juniper Networks Junos OS Evolved
Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compromise when zero-touch provisioning is used
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 3.9%
An OS Command Injection vulnerability in the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated attacker on the management LAN to execute commands as root via a crafted gRPC response.
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
Affected products
Juniper Networks · Junos OS EvolvedRelated CVEs — Juniper Networks Junos OS Evolved
In the same product, most dangerous first.
CVE-2026-21902CRITICALJunos OS Evolved: PTX Series: A vulnerability allows a unauthenticated, network-based attacker to execute code as rootEPSS 18.5%CVE-2026-101967CRITICALJunos OS Evolved: PTX Series: An attacker controlled DHCP response causes root-level compromise when zero-touch provisioning is usedEPSS 3.9%CVE-2026-102059HIGHJunos OS and Junos OS Evolved: EX Series, SRX Series, QFX Series: A rogue DHCP server causes root-level command execution when the phone-home client processes specific informationEPSS 3.9%CVE-2026-102031CRITICALJunos OS Evolved: A low-privileged TACACS+ user causes root command execution when authorization refresh is enabledEPSS 2.1%CVE-2023-28983HIGHJunos OS Evolved: Shell Injection vulnerability in the gNOI serverEPSS 1.5%CVE-2020-1626HIGHJunos OS Evolved: Denial of Service vulnerability in processing high rate of specific packetsEPSS 1.4%