CVE-2026-20128
Cisco Catalyst SD-WAN Manager
Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
What it is
Cisco Catalyst SD-WAN Manager contains a storing passwords in a recoverable format vulnerability that allows an authenticated, local attacker to gain DCA user privileges by accessing a credential file for the DCA user on the filesystem as a low-privileged user.
What to do
Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
Vendor notices and references
- www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-gui
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authb
- nvd.nist.gov/vuln/detail/CVE-2026-20128
Description and required action as published by CISA. Full record at NVD.
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