Vulnerability details
CVE-2026-101973
Juniper Networks Junos OS
Junos OS: Malformed packet causes pkid denial of service when certificate re-enrollment is used
CVSS 4.0
8.7High
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (juniper) | 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 |
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Juniper Networks | Junos OS | v < 23.2R2-S7.7 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 23.4 ≤ v < 23.4R2-S8.13 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 24.2 ≤ v < 24.2R2-S5.5 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 24.4 ≤ v < 24.4R2-S5 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 25.2 ≤ v < 25.2R2-S2 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 25.4 ≤ v < 25.4R1-S3 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 26.2 ≤ v < 26.2R1-S2 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://supportportal.juniper.net/JSA112188 vendor-advisory
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Details
- Published
- 2026-10-14
- Last updated
- 2026-10-15
- State
- Published
- Assigner (CNA)
- juniper
Exploit prediction (EPSS)
0.35%
Probability of exploitation in 30 days
29.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-476NULL Pointer Dereference