CVE-2026-20128
Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
Cisco Catalyst SD-WAN ManagerNetwork & edge
CVSS
7.5HighExploit odds (EPSS)7.32%Chance of exploitation activity in the next 30 days, higher than 94% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionPlease 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 KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
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.
Text from CVE List
Affected versions 30
- Cisco Catalyst SD-WAN Manageraffected: 20.1.12CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.2.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.4CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.5CVE List
- Cisco Catalyst SD-WAN Manageraffected: 20.1.1.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 20.1.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.3.0CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.2.2CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.2.099CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.3.6CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.3.7CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.2.0CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.3.8CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.0.0CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.1.0CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.302CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.303CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.2.097CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.2.098CVE List
- Cisco Catalyst SD-WAN Manageraffected: 17.2.10CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.3.6.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 19.0.1aCVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.2.0CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.3CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 17.2.8CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.3.3.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.4.0CVE List
- Cisco Catalyst SD-WAN Manageraffected: 18.3.1CVE List
- Cisco Catalyst SD-WAN Manageraffected: 17.2.6CVE List
References 4
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4vAdvisoryvia CVE List
- cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systemsReferencevia CISA KEV
- nvd.nist.gov/vuln/detail/CVE-2026-20128Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20128Referencevia CVE List