CVE-2026-101973
Junos OS: Malformed packet causes pkid denial of service when certificate re-enrollment is used
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Junos OS: Malformed packet causes pkid denial of service when certificate re-enrollment is used
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.
- Record
CVE-2026-101973- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2026-101436
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.
- Record
EUVD-2026-101436- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8w7w-9xwf-7fcj
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS...
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.
- Record
GHSA-8w7w-9xwf-7fcj- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.
- Record
CVE-2026-101973- CVSS 4.0
- 8.7 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-101973 is a high vulnerability (CVSS 8.7) in Juniper Networks Junos Os, published October 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.