Vulnerability Analysis
Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
CVE-2026-20128
A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This vulnerability is due to the presence of a credential file for the DCA user on an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request and reading the file that contains the DCA password from that affected system. A successful exploit could allow the attacker to access another affected system and gain DCA user privileges. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability.
CISA KEV
CVSS Base Score
7.5
HIGH
Exploitability:0.9
Impact Score:6.1
Temporal Score:-
EPSS:5.27%
Threat Intelligence Signals
CISA KEV
YES
KEV Date Added
2026-04-20
Ransomware Use
Unknown
KEV Due Date
2026-04-23
VulnCheck In-the-Wild
No
Nuclei Template
No
EPSS Score
5.269%
EPSS Percentile
91.5th pct
GHSA ID
GitHub Severity
HIGH
SSVC Exploitation
—
SSVC Automatable
—
Vulnerability Class
—
Identity & Timeline
| Status | - |
| Assigning Authority | - |
| CVSS Version / Source | - |
| Reserved | - |
| Published | - |
| Patch Date (date_public) | - |
| Exploit DB Date | - |
| First GitHub PoC Date | - |
| Last Updated | - |
| Time to Patch (Days to fix) | - |
| Exploit Release Gap | - |
| PoC Release Gap | - |
| Exploit DB References | None identified |
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
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