Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since April 20, 2026.
CVE-2026-20128
Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
Cisco · Catalyst SD-WAN Manager
Added to KEV April 20, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-20128
- CWE
- CWE-257
- Affected products
- Catalyst SD-WAN Manager · Cisco Catalyst SD-WAN Manager · Cisco
What happened
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 it means for your business
Cisco Catalyst SD-WAN Manager is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-20128). 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. CISA remediation due date: 2026-04-23. If you need help checking exposure, call (864) 335-9223.
Required 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.
CISA due date: April 23, 2026
Sources
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