Junos OS: An attacker causes authd to crash when subscriber RADIUS authentication is used (Juniper Networks Junos OS)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.35 % · percentile 29 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- juniper
- NVD status
- Awaiting Analysis
Description
A Stack-based Buffer Overflow vulnerability in the authd process of Juniper Networks Junos OS allows an attacker able to influence a configured RADIUS server to cause authd to crash or execute code with root privileges via a malicious RADIUS response.
Weaknesses (CWE)
- CWE-121 — Stack-based Buffer Overflow
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | juniper |
| CVSS 4.0 | HIGH 8.7 | 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/AU:Y/R:A/V:C/RE:M | juniper |
| CVSS 4.0 | HIGH 8.7 | 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/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:Y/R:A/V:C/RE:M/U:X | NVD · sirt@juniper.net (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · sirt@juniper.net (Secondary) |
European references
- ENISA EUVD · EUVD-2026-101334
- GCVE · GCVE-0-2026-102014
CERT-FR advisories
- CERTFR-2026-AVI-1322 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Juniper Networks · Junos OS | affected 0 < 23.2R2-S7.7 ; affected 23.4 < 23.4R2-S8.13 ; affected 24.2 < 24.2R2-S5.5 ; affected 24.4 < 24.4R2-S5 ; affected 25.2 < 25.2R2-S2 ; affected 25.4 < 25.4R1-S3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |