Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability
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.
- Vendor
- Cisco
- Product
- Catalyst SD-WAN Manager
- CVSS
- 7.5
- EPSS (exploit probability)
- 8.3%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2026-20128 being exploited?
Yes. CISA added CVE-2026-20128 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 8.3% (scored November 4, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-13. Full cross-catalog view: /kev-comparison
CVE-2026-20128 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
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.
US federal civilian agencies must remediate by (3 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Cisco Catalyst SD-WAN Manager CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-76504 Cisco Catalyst SD-WAN Manager Authentication Bypasswrite-up | [ CRITICAL ] | 9.8 | 38.9% | |
| CVE-2026-20262 Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability | [ MEDIUM ] | 6.5 | 29.1% | |
| CVE-2026-20245 Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability | [ HIGH ] | 7.8 | 25.3% | |
| CVE-2026-20133 Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability | [ MEDIUM ] | 6.5 | 35.3% | |
| CVE-2026-20122 Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability | [ MEDIUM ] | 5.4 | 25.8% |