CVE-2026-20209
Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
MEDIUM 5.4
At a glance
- Source
- NVD
- EPSS
- EPSS 0.19 % · percentile 9 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Analyzed
Description
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive session information is recorded in audit logs. An attacker could exploit this vulnerability by elevating their read-only permissions in Cisco Catalyst SD-WAN Manager to those of a high-privileged user. A successful exploit could allow the attacker to perform actions as a high-privileged user.
Weaknesses (CWE)
- CWE-779 — Logging of Excessive Data
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | cisco |
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | NVD · psirt@cisco.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-30327
- GCVE · GCVE-0-2026-20209
CERT-FR advisories
- CERTFR-2026-AVI-0594 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*< 20.9.9.1cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.10 < 20.12.5.4cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.12.6 < 20.12.6.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.13 < 20.15.4.4cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.15.5 < 20.15.5.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.16 < 20.18.2.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 26.1 < 26.1.1.1cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.7:*:*:*:*:*:*:*
Affected products
| Product | 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 |