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Cover image for CVE-2026-20128: Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
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Posted on • Originally published at scyscan.com

CVE-2026-20128: Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability

CVE ID

CVE-2026-20128

Vulnerability Name

Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability

  • Project: Cisco
  • Product: Catalyst SD-WAN Manager

Date

  • Date Added: 2026-04-20
  • Due Date: 2026-04-23

Description

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

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.

Additional Notes

CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v ; https://nvd.nist.gov/vuln/detail/CVE-2026-20128

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List

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