Cisco Catalyst SD-WAN Manager Stores Credentials in a Recoverable Format, Enabling Credential Theft; CISA's April 23rd KEV Mandate for Covered Entities Has Lapsed

Last refreshed2026-09-27

Status: KEV | Advisory ID: CVE-2026-20128

Key Details

CVE	CVE-2026-20128
Vulnerability Name	Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
Affected products	Cisco Catalyst SD-WAN Manager
Exploitation status	Listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified as	CWE-257 (Storing Passwords in a Recoverable Format)
KEV listing	Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-04-20.
Exploitation prediction (EPSS)	7.80% probability of exploitation in the next 30 days (94% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline	2026-04-23 (CISA KEV, Binding Operational Directive).

Affected Products, Subsystems & Sectors

Vendor	Product	Affected Versions	Patch Status
Cisco	Catalyst SD-WAN Manager

Vendor

Product

Affected Versions

Patch Status

Cisco

Catalyst SD-WAN Manager

Subsystems	Industrial Network - Routers/Firewalls
Sectors	Multiple

What to Know

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

Monitor Cisco's web page for any future patch releases.

References

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-20128
CVE	https://www.cve.org/CVERecord?id=CVE-2026-20128

Source

Reference

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-20128

CVE

https://www.cve.org/CVERecord?id=CVE-2026-20128

KEV Required Action

Field	Value
KEV Link	https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Date Added to KEV	2026-04-20
Required Action Due Date	2026-04-23
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.

Field

Value

KEV Link

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Date Added to KEV

2026-04-20

Required Action Due Date

2026-04-23

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.