CVE Explorer
CVE-2026-20210
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 success
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Cisco Catalyst SD-WAN Manager","vendor":"Cisco","versions":[{"status":"affected","version":"20.1.12"},{"status":"affected","version":"19.2.1"},{"status":"affected","version":"18.4.4"},{"status":"affected","version":"18.4.5"},{"status":"affected","version":"20.1.1.1"},{"status":"affected","version":"20.1.1"},{"status":"affected","version":"19.3.0"},{"status":"affected","version":"19.2.2"},{"status":"affected","version":"19.2.099"},{"status":"affected","version":"18.3.6"},{"status":"affected","version":"18.3.7"},{"status":"affected","version":"19.2.0"},{"sta…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a49cef502cc24950e9304d04d943362b24b87965f96e9a431ec3be75ad2b010c · sha256:4243cb423289ade6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a49cef502cc24950e9304d04d943362b24b87965f96e9a431ec3be75ad2b010c · sha256:4243cb423289ade6… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-779","description":"Logging of Excessive Data","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a49cef502cc24950e9304d04d943362b24b87965f96e9a431ec3be75ad2b010c · sha256:4243cb423289ade6… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"cisco-sa-sdwan-mltvnps2-JxpWm7R","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-mltvnps2-JxpWm7R"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a49cef502cc24950e9304d04d943362b24b87965f96e9a431ec3be75ad2b010c · sha256:4243cb423289ade6… · /containers/cna/references/0
{"name":"Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability</a> was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The <a href=\"#IOC\">Indicators of Compromise","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a49cef502cc24950e9304d04d943362b24b87965f96e9a431ec3be75ad2b010c · sha256:4243cb423289ade6… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.