Junos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while processing high rate of specific packets. (Juniper Networks Junos OS)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.96 % · percentile 62 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- juniper
- NVD status
- Modified
Description
A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.
Weaknesses (CWE)
- CWE-794 — Incomplete Filtering of Multiple Instances of Special Elements
- CWE-400 — Uncontrolled Resource Consumption
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | juniper |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · sirt@juniper.net (Secondary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-2852
- GCVE · GCVE-0-2021-0233
CERT-FR advisories
- CERTFR-2021-AVI-290 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s5:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s6:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r1-s7:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s1:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s10:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s11:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s2:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s4:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s5:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s6:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s7:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s8:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r2-s9:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r3:*:*:*:*:*:*cpe:2.3:o:juniper:junos:17.4:r3-s1:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Juniper Networks · Junos OS | affected 17.4 < 17.4R3-S2 |
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 |