Live › vulnerability › CVE-2026-20128
Go to dashboardCisco Catalyst SD-WAN Manager stores the DCA user's password in a recoverable format on the filesystem. An attacker with a low-privileged local account can read that credential file and gain DCA user privileges.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
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.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| cisco catalyst sd-wan manager | vendor | < 20.9.8.2 | 20.9.8.2 |
| cisco catalyst sd-wan manager | vendor | >= 20.10, < 20.12.5.3 | 20.12.5.3 |
| cisco catalyst sd-wan manager | vendor | >= 20.13, < 20.15.4.2 | 20.15.4.2 |
| cisco catalyst sd-wan manager | vendor | >= 20.16, < 20.18 | 20.18 |
| cisco catalyst sd-wan manager | vendor | = 20.12.6 | – |
| Cisco Catalyst SD-WAN Manager | vendor | – | – |
Unknown from the sources.
Upgrade to 20.9.8.2 / 20.12.5.3 / 20.15.4.2 / 20.18
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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 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.
This page as .md · .json · in your agent: get_signal("CVE-2026-20128")
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