PT-2026-40961 · Cisco · Catalyst Sd-Wan Manager

Elise Imison · Published 2026-05-14 · Updated 2026-05-17 · CVE-2026-20210

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Manager versions prior to 26.0.1

Description A flaw in the web UI of Cisco Catalyst SD-WAN Manager allows an authenticated remote attacker with read-only permissions to elevate their privileges to those of a high-privileged user. This occurs due to a failure to redact sensitive information within device configurations and templates, enabling the attacker to modify configurations and perform unauthorized actions on the system.

Recommendations Update to a version later than 26.0.1.

Fix

Information Disclosure

Weakness Enumeration

CWE-779

CWE-200

Related Identifiers

BDU:2026-07104

CVE-2026-20210

Affected Products

Catalyst Sd-Wan Manager

References · 6

• https://bdu.fstec.ru/vul/2026-07104 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-mltvnps2-JxpWm7R · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20210 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk · Vendor Advisory
• https://twitter.com/f1tym1/status/2055931210153472252 · Twitter Post
• https://cybersecurity-help.cz/vdb/vulns/131453 · Note