CVE-2026-20126
Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
HIGH 8.8
En bref
- Source
- NVD
- EPSS
- EPSS 0.33 % · centile 27 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- cisco
- Statut NVD
- Analyzed
Description
A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this vulnerability by sending a request to the REST API of the affected system. A successful exploit could allow the attacker to gain root privileges on the underlying operating system.
Faiblesses (CWE)
- CWE-648 — Incorrect Use of Privileged APIs
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | cisco |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@cisco.com (Secondary) |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2026-8674
- GCVE · GCVE-0-2026-20126
Avis du CERT-FR
- CERTFR-2026-AVI-0210 — Multiples vulnérabilités dans Cisco Catalyst SD-WAN · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*< 20.9.8.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.11 < 20.12.5.3cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.13 < 20.15.4.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.16 < 20.18.2.1cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Cisco · Cisco Catalyst SD-WAN Manager | affected 20.1.12 ; affected 19.2.1 ; affected 18.4.4 ; affected 18.4.5 ; affected 20.1.1.1 ; affected 20.1.1 |
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 |