Medium 5.4Published May 14, 2026

CVE-2026-20210Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability

Updated under an hour ago (Oct 27, 2026, 8:00 AM ET)

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It affects Cisco Catalyst SD-WAN Manager and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Cisco Catalyst SD-WAN Manager

Exploited in the last 30 days

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 modify configurations and perform unauthorized actions on an affected system. This vulnerability exists because of a failure to redact sensitive information within device configurations and templates. An attacker could exploit this vulnerability by elevating their read-only permissions to those of a high-privileged user. A successful exploit could allow the attacker to access or modify configuration settings within Cisco Catalyst SD-WAN Manager as a high-privileged user.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-779
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisco
NVD analysis: Analyzed
Record last updated: May 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cisco Cisco Catalyst SD-WAN Manager cisco:catalyst_sd_wan_manager (from the name)	20.1.12; 19.2.1; 18.4.4; 18.4.5; 20.1.1.1; 20.1.1; 19.3.0; 19.2.2; and 193 more ranges	CNA record
cisco catalyst_sd-wan_manager cisco:catalyst_sd-wan_manager	before 20.9.9.1; from 20.10 before 20.12.5.4; from 20.12.6 before 20.12.6.2; from 20.13 before 20.15.4.4; from 20.15.5 before 20.15.5.2; from 20.16 before 20.18.2.2; from 26.1 before 26.1.1.1; 20.12.7	NVD

References

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-mltvnps2-JxpWm7R	vendor-advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk	not-applicable

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.