CVE-2026-101973 Juniper Networks Junos OS - Denial of Service

Juniper Networks Junos OS contains a null pointer dereference caused by malformed packets in the pkid component during CMP enrollment or certificate re-enrollment, letting unauthenticated remote attackers cause denial of service.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-476

Vendor fix

Update to the latest version of Junos OS.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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